The St. Louis Astronomical Society maintains a library of more than 900+ astronomical related publications, books and DVDs. Members of SLAS are able to borrow materials from the library at no charge. To learn more about what is available in the member only library, contact our librarian at This email address is being protected from spambots. You need JavaScript enabled to view it..
Listing of Books
Author | Title | Barcode | CallMain |
Abetti; Giorgio | The History of Astronomy. | 591 | 520.9 |
Abell; George O. | Exploration of the universe. | 89 | 520 |
Abell; George O. | Exploration of the universe | 92 | 520 |
Abell; George O. | Realm of the universe / | 144 | 523 |
Abell; George O. | Realm of the universe / | 143 | 523 |
Abetti; Giorgio; | Nebulae and galaxies; | 433 | 523.11 |
Adams; Carsbie C. | Space Flight : | 739 | 629.1388 |
Aldrin; Edwin E.; | Return to earth | 878 | 629.45 |
Alexander; A. F. O'D | The planet Saturn: a history o | 365 | 523.46 |
AlfvGen; Hannes | Evolution of the solar system | 907 | 521.54 |
Allen; Richard Hinck | Star names | 571 | 523.89 |
Aller; Lawrence H. | Atoms; stars; and nebulae | 393 | 523.01 |
Alter; Dinsmore | Pictorial Astronomy. | 632 | 520 |
Alter; Dinsmore | Pictorial Astronomy. | 132 | 523 |
Alter; Dinsmore; | Pictorial guide to the moon | 312 | 523.3 |
Amateur telescope making / | 686 | 522.2 | |
Ancient cosmologies / | 529 | 523.1 | |
Apfel; Necia H. | Architecture of the Universe. | 7 | 520 |
Apollo expeditions to the moon | 714 | 629.45 | |
Armitage; A. | Copernicus; the founder of mod | 539 | 925.2 |
Armitage; A. | William Herschel : | 612 | 929.2 |
Ashford; Theodore As | From Atom to Stars. | 796 | 500 |
Asimov; Isaac; | Understanding physics : | 851 | 530 |
Asimov; Isaac; | Asimov's biographical encyclop | 951 | 509 |
Asimov; Isaac; | The universe; | 517 | 523 |
Asimov; Isaac; | Eyes on the universe : | 689 | 522.209 |
Asimov; Isaac; | Understanding physics : | 852 | 530 |
Asimov; Isaac; | Understanding physics : | 850 | 530 |
Astronomy; a popular history / | 44 | 520 | |
Baade; Walter; | Evolution of stars and galaxie | 460 | 523.8 |
Balfour; Michael Dav | Stonehenge and its mysteries / | 576 | 942.3 |
Baldwin; Ralph Belka | The Measure of the Moon. | 317 | 523.34 |
Barnett; Lincoln Kin | The universe and Dr. Einstein | 514 | 530.1 |
Bath; Geoffrey; ed. | The State of the universe. | 508 | 521.19 |
Bates; David R. | Space research and exploration | 743 | 629.1388 |
Becvar; Antonin | Atlas coeli 1950.0. | 977 | 523.8 |
Becvar; Antonin | Atlas borealis 1950.0. | 978 | 523.8 |
Bell; Louis | The Telescope. | 698 | 522.2 |
Bergmann; Peter Gabr | The riddle of gravitation | 845 | 530.11 |
Berry; Arthur | A short history of astronomy. | 526 | 520 |
Bergh; G. van den | Astronomy for the Millions. | 971 | 520 |
Bergh; G. van den | Astronomy for the millions. | 39 | 520 |
Berrill; N. J. | You and the universe; | 783 | 523.1 |
Berendzen; Richard. | Man discovers the galaxies / | 432 | 520.904 |
Berman; Louis. | Exploring the cosmos / | 93 | 520 |
Bergh; Sidney van de | The Extragalactic Distance Sca | 898 | 523.2 |
Billings; Donald E. | A guide to the solar corona. | 243 | 523.75 |
Bizony; M. T.; | The new space encyclopedia : | 171 | 520.3 |
Blunck; JFurgen; | Mars and its satellites : | 341 | 523.43 |
Bodechtel; Johann. | The Earth from space / | 283 | 910 |
Bok; Bart Jan; | The Milky Way / | 439 | 523.1 |
Bok; Bart Jan; | The Milky Way / | 438 | 523.1 |
Bono; Philip. | Frontiers of space; | 719 | 629.4 |
Bondi; Hermann | Cosmology. | 454 | 523.1 |
Bonestell; Chesley | Beyond Jupiter : | 717 | 629.43 |
Bonnor; W. B. | The mystery of the expanding u | 473 | 523.1 |
Born; Max; | The restless universe. | 844 | 530.1 |
Boslough; John. | Stephen Hawking's universe / | 484 | 523.1 |
Bracewell; Ronald Ne | The Galactic Club : | 764 | 919.9 |
Bray; R. J. | Sunspots | 891 | 523.74 |
Branley; Franklyn Ma | Astronomy / | 29 | 520 |
Brandt; John C. | The physics and astronomy of t | 421 | 523.013 |
Breed; Joseph B.; | Stars for the space age; | 672 | 523.8 |
Brotherton; M. | Masers and lasers; how they wo | 805 | 621.381 |
Brown; Sam; | All about telescopes / | 912 | 522.2 |
Brown; R. Hanbury | Man and the stars / | 396 | 522 |
Brost; Edwin Brant | An Astronomer's Life. | 528 | 925.2 |
Broderick; James | Galileo: The man; his work; h | 552 | 520.924 |
Burl; Aubrey | Prehistoric Avebury. | 567 | 936.23 |
Burnham; Robert. | Burnham's celestial handbook : | 656 | 523.8 |
Burgess; Eric. | To the red planet / | 757 | 919.9 |
Burnham; Robert; | The star book / | 955 | 523.89 |
Burnham; Robert. | Burnham's celestial handbook : | 655 | 523.8 |
Burl; Aubrey. | The stone circles of the Briti | 575 | 936.2 |
Burbidge; Geoffrey R | Quasi-stellar objects | 434 | 523 |
Buttmann; GFunther | The shadow of the telescope; | 598 | 520 |
Caidin; Martin | Worlds in space. | 759 | 629.1388 |
CallataFy; Vincent d | Atlas of the planets / | 331 | 523.4 |
Calder; Nigel. | Violent universe; | 521 | 520 |
Calder; Nigel. | The weather machine / | 846 | 551.6 |
Calder; Nigel. | The key to the universe : | 498 | 539 |
Calder; Nigel. | The comet is coming! : | 387 | 523.619 |
CallataFy; Vincent d | Atlas of the moon: | 295 | 523.39 |
CallataFy; Vincent d | Atlas of the sky. | 651 | 523.89 |
AUTHOR | TITLE | BARCODE | CALLMAIN |
Cameron; A. G. W. | Interstellar communication; | 767 | 523.1 |
Campbell; Leon | The Story of Variable Stars. | 881 | 523.84 |
Caro; D. E. | Introduction to atomic and nuc | 787 | 539 |
Carr; M. H. | Images of Mars : | 335 | 559.9 |
Caspar; Max; | Kepler. | 557 | 925.2 |
Chamber's technical dictionary | 788 | 603 | |
Chapman; Robert Dewi | Discovering astronomy / | 70 | 520 |
Chapman; Clark R. | The inner planets : | 227 | 559.9 |
Chapman; Robert Dewi | Discovering astronomy / | 71 | 520 |
Chaisson; Eric. | Cosmic dawn : | 761 | 523.1 |
Chandrasekhar; Subrq | An introduction to the study o | 410 | 523 |
Cherrington; Ernest | Exploring the moon through bin | 326 | 523.3 |
Christianson; Gale E | This wild abyss : | 607 | 520 |
Clark; David H. | The historical supernovae / | 415 | 523.8 |
Clarke; Arthur Charl | The promise of space | 753 | 629.4 |
Claiborne; Robert. | The summer stargazer : | 674 | 523 |
Clarke; Arthur Charl | The making of a moon; | 944 | 629.1388 |
Clayton; Donald D. | The dark night sky : | 492 | 523.1 |
Clarke; Arthur Charl | The Exploration of Space. | 749 | 629.1388 |
Clarke; Arthur Charl | Interplanetary flight; | 721 | 629.4 |
Clarke; Arthur Charl | Ascent to orbit : | 715 | 629.4 |
Cleator; P. E. | Into space. | 722 | 629.1388 |
Cleminshaw; Clarence | The beginner's guide to the sk | 653 | 523 |
Cline; Barbara Lovet | The questioners : | 597 | 530.10922 |
Closeup; new worlds / | 197 | 523.2 | |
Colodny; Robert Garl | Mind and cosmos; | 814 | 501.08 |
Communication with extraterres | 760 | 1.5 | |
Conrady; A. E. | Applied optics and optical des | 915 | 535 |
Consolmagno; Guy; | Turn left at Orion : | 956 | 523 |
Conrady; A. E. | Applied optics and optical des | 914 | 535 |
Cooper; Henry S. F. | A house in space / | 712 | 629.44 |
Cooper; Henry S. F. | The search for life on Mars. | 720 | 574.999 |
Cooke; Donald A | The Life & Death of Stars. | 968 | 523.819 |
Cooke; Donald E. | Powder Keg. | 416 | FIC |
Cosmological constants : | 453 | 523.1 | |
Cotter; Charles H. | A history of nautical astronom | 905 | 527 |
Couderc; Paul. | The wider universe. | 441 | 523.1 |
Cox; Donald W. | Spacepower: what it means to y | 747 | 629.1388 |
Crawford; Deborah. | The king's astronomer; William | 558 | 520 |
Cross; Charles A. | The atlas of Mercury / | 357 | 523.4 |
Culver; Roger B. | An introduction to experimenta | 959 | 522 |
Culver; Roger B. | An introduction to experimenta | 958 | 522 |
D'Abro; A. | The evolution of scientific th | 546 | 530.1 |
Dames; Michael. | The Avebury cycle / | 581 | 936.2 |
Dampier; William Cec | History of science and its rel | 525 | 509 |
Darwin; George Howar | The tides and kindred phenomen | 875 | 525.6 |
Davies; Paul C. W. | Other Worlds. | 563 | 530.1 |
Davies; P. C. W. | The runaway universe / | 507 | 523.1 |
Davies; P. C. W. | Space and time in the modern u | 836 | 530.1 |
Davies; Merton E. | The view from space; | 755 | 523.4 |
Davies; P. C. W. | The edge of infinity : | 493 | 523.1 |
De Grazia; Alfred; | The Velikovsky affair; | 604 | 520.1 |
Deacon; George Edwar | Seas; maps; and men; | 867 | 910 |
Degani; Meir H. | Astronomy made simple. | 40 | 520 |
Derleth; August Will | The other side of the moon / | 873 | FIC |
Derleth; August Will | Beyond time & space. | 861 | FIC |
Devinney; Edward J. | Contemporary astronomy / | 68 | 520 |
Ditfurth; Hoimar von | Children of the universe; | 64 | 520 |
Dixon; Robert T. | Dynamic astronomy / | 73 | 520 |
Dixon; Robert T. | Dynamic astronomy | 74 | 520 |
Dixon; Don. | Universe / | 190 | 523 |
Dole; Stephen H. | Habitable planets for man | 763 | 523.13 |
Dole; Stephen H. | Habitable planets for man | 775 | 523.13 |
Drake; Stillman. | Galileo at work : | 551 | 520 |
Drake; Stillman. | Telescopes; tides; and tactics | 579 | 523.9 |
Dreyer; John Louis E | A History of Astronomy from Th | 964 | 520.9 |
Dufay; Jean; | Introduction to astrophysics : | 892 | 523.87 |
Dunlop; Storm. | Astronomy : | 622 | 523 |
Duncan; John Charles | Astronomy: | 947 | 520 |
Duncan; John Charles | Astronomy: | 12 | 520 |
Duquesne; Maurice. | Matter and antimatter / | 811 | 539 |
Dwornik; Stephen E. | The Rediscovery of the earth. | 278 | 550 |
Dyson; Freeman J. | Disturbing the universe / | 543 | 530 |
The Earth and its satellite. | 225 | 550 | |
Eddy; John A. | A new sun : | 245 | 523.7 |
Eddington; Arthur St | The nature of the physical wor | 474 | 501 |
Eddington; Arthur St | The expanding universe. | 494 | 523.1 |
Eddy; John A. | The New Solar Physics. | 249 | 523.7 |
Eddington; Arthur St | Space; time and gravitation; | 481 | 530.11 |
Einstein; Albert; | The meaning of relativity. | 499 | 530.1 |
Einstein; Albert; | The evolution of physics from | 840 | 530.9 |
Ephemeriden; 1890-1950. | 890 | 133.5 | |
Fath; Edward Arthur; | The elements of astronomy; | 165 | 520 |
Fath; Edward Arthur; | The elements of astronomy; | 166 | 520 |
Feather; N. | An introduction to the physics | 854 | 530.8 |
Feather; Noman | Electricity and Matter: an int | 790 | 537 |
Feather; N. | An introduction to the physics | 806 | 530.8 |
Ferris; Timothy. | The red limit : | 506 | 523.1 |
Fielder; Gilbert. | Structure of the moon's surfac | 315 | 523.34 |
Field; George B.; | Cosmic evolution : | 885 | 520 |
Fielder; Gilbert | Geology and physics of the moo | 298 | 559.9 |
Fielder; Gilbert. | Lunar geology. | 303 | 523.3 |
Field; George B.; | The invisible universe : | 710 | 520 |
Fimmel; Richard O. | Pioneer odyssey : | 347 | 523.4 |
Fimmel; Richard O. | Pioneer Venus / | 728 | 559.9 |
Firsoff; V. A. | Moon atlas. | 306 | 523.39 |
Fisher; Clyde | Astronomy; Clyde Fisher. | 22 | 523 |
Fisher; Clyde; | Dr. Clyde Fisher's Exploring t | 95 | 523 |
Fitzgerald; Ken. | The space-age photographic atl | 291 | 912 |
Flammarion; Camille; | The Flammarion book of astrono | 24 | 523 |
Flaste; Richard | The New York TImes guide to th | 379 | 523.6 |
Ford; Kenneth Willia | The world of elementary partic | 856 | 539.721 |
Forsdyke; A. G. | Weather & weather forecasting; | 855 | 551.5 |
Fowles; John; | The enigma of Stonehenge / | 587 | 936.2 |
Fraser; J. T. | The Genesis and Evolution of T | 466 | 529.19 |
Frazier; Kendrick. | Solar system / | 220 | 523.2 |
Fraser; Ronald. | Once round the sun; | 270 | 551 |
Fredrick; Laurence W | An introduction to astronomy | 107 | 520 |
French; Bevan M. | The moon book / | 324 | 559.9 |
Fredrick; Laurence W | Astronomy / | 23 | 520 |
Friedman; Herbert; | The amazing universe / | 160 | 520 |
Friedman; Herbert; | The amazing universe / | 946 | 520 |
Fulton; Ken; | The light-hearted astronomer / | 961 | 523 |
Furneaux; Rupert. | Ancient mysteries / | 859 | 1.93 |
Gabor; Dennis | The Electron Microscope : | 839 | |
Galilei; Galileo; | Dialogues concerning two new s | 609 | 521 |
Galilei; Galileo; | Dialogue concerning the two ch | 603 | 520 |
Galaxies and the universe; | 430 | 523.1 | |
Gamow; George; | Mr. Tompkins explores the atom | 817 | 541.2 |
Gamow; George; | The creation of the universe. | 491 | 523.1 |
Gamow; George; | Matter; earth; and sky. | 812 | 500 |
Gamow; George; | One; two; three-- infinity : | 821 | 500 |
Gamow; George; | The creation of the universe. | 489 | 523.1 |
Gamow; George; | Thirty years that shook physic | 785 | 530.1 |
Gamow; George; | Biography of the earth: | 260 | 551 |
Gamow; George; | Mr. Tompkins in paperback; | 816 | 530.1 |
Gamow; George; | The creation of the universe. | 490 | 523.1 |
Ganow; George 1904-1 | A star called the sun. | 244 | 523.7 |
Gaposchkin; Cecilia | Stars in the making. | 403 | 523.8 |
Gaposchkin; Cecilia | Stars and clusters / | 401 | 523.8 |
Gardner; Martin; | Relativity for the million. | 830 | 530.11 |
Gardner; Martin; | The ambidextrous universe : | 870 | 501 |
Gatland; Kenneth Wil | The inhabited universe; | 780 | 523.1 |
Gatland; Kenneth Wil | Manned spacecraft; | 725 | 629.47 |
The Geology of Mars / | 360 | 559.9 | |
Geroch; Robert. | General relativity from A to B | 798 | 530.1 |
Gibson; Edward G. | The quiet sun | 250 | 523.7 |
Gibbons; G. W. Edito | The Very Early Universe : | 518 | 523.19 |
Glasstone; Samuel; | The book of Mars. | 358 | 523.4 |
Glasby; John Stephen | Boundaries of the universe | 450 | 520 |
Glasby; John Stephen | The variable star observer's h | 683 | 523.8 |
Glasstone; Samuel; | Sourcebook on the space scienc | 222 | 523 |
Goldsmith; Donald. | The search for life in the uni | 776 | 574.99 |
Goldsmith; Donald. | From the black hole to the inf | 463 | 520 |
Gornitz; Vivien; ed. | Geology of the planet Mars. | 333 | 559.923 |
Grey; Jerry; | Space flight report to the nat | 740 | 629.40973 |
Greenstein; George; | Frozen star / | 395 | 523.19 |
Gribbin; John R. | The death of the Sun / | 413 | 523.7 |
Gribbin; John R. | Timewarps / | 876 | 529 |
Grondal; Florence (A | The romance of astronomy : | 639 | 520 |
Guillemin; Victor. | The story of quantum mechanics | 837 | 530.12 |
Haber; Heinz | Man in Space. | 724 | 629.1388 |
Haley; Andrew Gallag | Rocketry and space exploration | 729 | 629.134354 |
Hanrahan; James Step | Space biology; | 738 | 612.01449 |
Hapgood; Fred. | Space shots : | 635 | 520 |
Harrison; Edward Rob | Cosmology; the science of the | 455 | 523.1 |
The Harper encyclopedia of sci | 793 | 503 | |
Hartmann; William K. | Moons and planets / | 208 | 523.2 |
The Harper encyclopedia of sci | 795 | 503 | |
Harwit; Martin; | Astrophysical concepts. | 444 | 523.01 |
Hartmann; William K. | The new Mars : | 344 | 559.9 |
Hartmann; William K. | Astronomy : | 47 | 520.2 |
The Harper encyclopedia of sci | 792 | 503 | |
The Harper encyclopedia of sci | 794 | 503 | |
Hartmann; William K. | Astronomy; the cosmic journey | 57 | 520.2 |
Hawkins; Gerald S. | Splendor in the sky | 153 | 520 |
Haysham; Harry; | Basic astronomy : | 59 | 520 |
Hazard; Cyril | Active Galactic Nuclei. | 422 | 523.1 |
Heisenberg; Werner; | Across the frontiers. | 527 | 530.1 |
Heisenberg; Werner; | Physics and beyond; | 565 | 539.7 |
Heidmann; Jean. | Extragalactic adventure : | 461 | 520 |
Heide; Fritz; | Meteorites. | 948 | 523.51 |
Henbest; Nigel. | The exploding universe / | 495 | 520 |
Henbest; Nigel. | Mysteries of the universe / | 123 | 523 |
Herbig; G. H. ed. | Spectroscopic Astrophysics : | 570 | 523.87 |
Heuer; Kenneth. | Rainbows; halos; and other won | 829 | 551.5 |
Heyerdahl; Thor. | Early man and the ocean : | 701 | 910 |
Hodge; Paul W. | Concepts of contemporary astro | 65 | 520 |
Hodge; Paul W. | Concepts of the universe | 451 | 523.1 |
Hodge; Paul W. | The physics and astronomy of g | 428 | 523.112 |
Hogben; Lancelot Tho | Mathematics in the making. | 810 | 510.9 |
Hogben; Lancelot Tho | Science for the citizen; | 833 | 500 |
Hoskin; Michael A. | William Herschel and the const | 554 | 523.8 |
Howard; Neale E. | The telescope handbook and sta | 675 | 520 |
Hoyle; Fred; | Ten faces of the universe / | 869 | 523.1 |
Hoyle; Fred; | The physics-astronomy frontier | 476 | 523 |
Hoyle; Fred; Sir | Galaxies; nuclei; and quasars. | 431 | 523.01 |
Hoyle; Fred; | The physics-astronomy frontier | 895 | 523 |
Hoyt; William Graves | Planets X and Pluto / | 887 | 523.4 |
Hoyle; Fred; | Frontiers of astronomy. | 464 | 520 |
Hoyle; Fred; | From Stonehenge to modern cosm | 577 | 523.1 |
Hoyle; Fred; | Astronomy and cosmology : | 443 | 520 |
Hoyle; Fred; | Frontiers of astronomy. | 98 | 520 |
Hoyle; Fred; | The cosmogony of the solar sys | 224 | 521.54 |
Hoyle; Fred; | Astronomy and cosmology : | 34 | 520 |
Hoyle; Fred; | Lifecloud; the origin of life | 771 | 577 |
Hoyle; Fred; | Astronomy. | 13 | 520.9 |
Hoyle; Fred; | The nature of the universe. | 500 | 523 |
Hoyle; Fred. | The black cloud. | 872 | FIC |
Hoyle; Fred; | Highlights in astronomy / | 102 | 520 |
Hubble; Edwin Powell | The realm of the nebulae. | 419 | 523.85 |
Huffer; Charles M. | An introduction to astronomy | 6 | 520 |
Hunt; Garry E. | Saturn / | 355 | 523.4 |
Hunt; Garry E. | Jupiter / | 336 | 523.4 |
Hutchings; Edward. | Frontiers in science; | 797 | 508 |
Instituts Solvay; Co | The structure and evolution of | 436 | 523.1 |
Jagjit Singh. | Great ideas and theories of mo | 469 | 113 |
Jagjit Singh. | Great ideas and theories of mo | 470 | 113 |
Jammer; Max. | Concepts of space; | 538 | 530.1 |
Jastrow; Robert; | Origin of the solar system; | 216 | 523.1 |
Jastrow; Robert; | Red giants and white dwarfs / | 146 | 523.1 |
Jastrow; Robert; | Astronomy: fundamentals and fr | 884 | 520 |
Jastrow; Robert; | God and the astronomers / | 467 | 520 |
Jastrow; Robert; | Astronomy : | 56 | 520 |
Jeans; James Hopwood | Through Space & Time. | 188 | 523 |
Jeans; James Hopwood | Physics and philosophy / | 566 | 530 |
Jeans; James Hopewoo | The new background of science. | 843 | 530.1 |
Johnson; B. K. | Optics and optical instruments | 824 | 535.33 |
John; Laurie. | Cosmology now / | 458 | 523.1 |
Johnson; Martin; | Astronomy of stellar energy an | 392 | 523.8 |
Jones; Gwyn Owain | Atoms and the universe. | 445 | 539.7 |
Journal of geophysical researc | 205 | 551 | |
Jupiter : | 338 | 523.45 | |
Kahn; Fritz. | Design of the universe; | 459 | 523.1 |
Kals; W. S. | The stargazer's bible / | 641 | 523.19 |
Kaler; James B. | Stars / | 921 | 523.8 |
Kaufmann; William J. | Stars and nebulas / | 402 | 523.8 |
Kaufmann; William J. | Black holes and warped spaceti | 449 | 520 |
Kaufmann; William J. | Exploration of the Solar Syste | 202 | 523.2 |
Kaufmann; William J. | The cosmic frontiers of genera | 465 | 521 |
Kaufmann; William J. | Galaxies and quasars / | 429 | 523.1 |
Kaufmann; William J. | Relativity and cosmology / | 478 | 523 |
Kaufmann; William J. | Planets and moons / | 219 | 523.2 |
Kemble; Edwin C. | Physical science : | 825 | 500.2 |
Kennon; William Lee | Astronomy; A textbook for coll | 9 | 520 |
Kesten; Hermann; | Copernicus and his world | 540 | 925.2 |
Kiepenheuer; K. O. | The sun. | 251 | 523.7 |
King; Henry C. | Astronomy. | 25 | 520 |
King; Henry C. | The background of astronomy. | 582 | 520.9 |
King; Henry C. | The history of the telescope / | 592 | 681 |
King; Henry C. | Geared to the stars : | 553 | 523.0074 |
King; Henry C. | Pictorial guide to the stars | 397 | 523.8 |
Kippenhahn; Rudolf; | 100 billion suns : | 391 | 521 |
Klass; Philip J. | Secret sentries in space; | 735 | 358.8 |
Klepesta; Josef. | A concise guide in colour : | 658 | 523.8 |
Knox; Richard. | Experiments in astronomy for a | 624 | 523 |
Koestler; Arthur; | Sleepwalkers. | 599 | 523.109 |
Kopal; Zdenek; | The solar system. | 236 | 523.2 |
Kopal; Zdenek 19240 | Physics and astronomy of the m | 311 | 523.3 |
Kopal; Zdenek | The Moon in the Post-Apollo Er | 963 | 559.91 |
Kopal; Zdenek | An introduction to the study o | 294 | 523.3 |
Kopal; Zdenek | Mapping of the moon; Past and | 305 | 912.99 |
Kopal; Zdenek; | A new photographic atlas of th | 309 | 523.39 |
Kopal; Zdenek; | Photographic atlas of the moon | 310 | 523.39 |
Kosofsky; L. J. | The moon as viewed by lunar or | 908 | 523.39 |
KoyrGe; Alexandre; | From the closed world to the i | 536 | 113 |
Kronk; Gary W. | Meteor showers : | 916 | 523.5 |
Krogdahl; Wasley Swe | The Astronomical Universe. | 162 | 523.1 |
Kronk; Gary W. | Comets : | 375 | 523.6 |
Krogdahl; Wasley Sve | The Astronomical Universe : | 161 | 523 |
Kronk; Gary W. | Cometography : | 962 | 523.621 |
Krupp; E. C.; ed. | In Search of Ancient Astronomi | 568 | 520.93 |
Kruse; Willy; | The stars; | 420 | 523.8 |
Krupp; E. C. | Echoes of the ancient skies : | 544 | 520 |
Kuhn; Thomas S. | The Copernican revolution; | 583 | 523.2 |
Kuiper; Gerard Peter | The sun. | 254 | 523.7 |
Kuiper; Gerard Peter | Planets and satellites; | 351 | 521 |
Kuiper; Gerard Peter | The earth as a planet. | 282 | 521 |
Kuiper; Gerard Peter | Telescopes; | 693 | 522.2 |
Lampkin; Richard H. | Naked eye stars: catalogued by | 954 | 523.8 |
Lancaster Brown; Pet | Comets; meteorites; and men. | 376 | 523.6 |
Lancaster Brown; Pet | Star & planet spotting : | 667 | 523.8 |
Lang; Kenneth; ed | A Source Book in Astonomy and | 904 | 520.8 |
Lancaster Brown; Pet | What star is that? | 684 | 523.8 |
Lattin; Harriet Prat | Star performance. | 572 | 523 |
Le Galley; Donald Pa | Space science. | 151 | 629.4082 |
Lemkin; William | Visualized general science. | 799 | 500 |
Lengyel; Bela A. | Lasers | 801 | 621.36 |
Lepp; Henry. | Dynamic earth: an introduction | 264 | 551 |
Lessing; Erich. | Discoverers of space : | 541 | 520 |
Levitt; I. M. | Star maps for beginners / | 670 | 523.8 |
Ley; Willy; | Rockets; missiles; and space t | 732 | 629.1388 |
Ley; Willy; | The exploration of Mars; | 359 | 523.43 |
Ley; Willy; | Rockets; missiles; and men in | 733 | 629.4 |
Ley; Willy; | Beyond the solar system. | 61 | 523 |
Lockyer; Joseph Norm | The dawn of astronomy. | 585 | 520.1 |
Lovell; Bernard; | Discovering the universe | 72 | 523.016 |
Lovell; Bernard; | Our present knowledge of the u | 708 | 520 |
Lovi; George | The Telescope Catalog of Catal | 699 | 681.412 |
Lovell; Alfred Charl | The individual and the univers | 593 | 520.4 |
Lunar atlas / | 302 | 523.39 | |
Lunar atlas / | 917 | 523.39 | |
Luyten; Willem Jacob | The pageant of the stars; | 172 | 520 |
MacGowan; Roger A. | Intelligence in the universe | 950 | 523.13 |
Macvey; John W. | Alone in the universe? | 858 | 523.13 |
Maffei; Paolo. | Monsters in the sky / | 122 | 523 |
The Magellanic Clouds. | 900 | 523.12 | |
Mallan; Lloyd. | A guide to astronomy. | 945 | 520 |
Man and cosmos : | 206 | 523.2 | |
The Martian landscape / | 910 | 559.9 | |
Marbarger; John Port | Space medicine; | 742 | 629.13256 |
Marten; Michael. | The radiant universe : | 705 | 778.3 |
Mars and the mind of man | 342 | 508.99 | |
Maran; Stephen P. | Astronomy for Dummies. | 972 | 520.21 |
Mars and the mind of man | 343 | 508.99 | |
Massey; Harrie Stewa | The new age in physics | 502 | 530 |
McGraw-Hill encyclopedia of as | 81 | 520 | |
McLaughlin; Dean B. | Introduction to astronomy. | 106 | 523 |
McVittie; George C. | Fact and theory in cosmology. | 462 | 523.1 |
McVittie; George Cun | Cosmological Theory. | 965 | 523.1 |
Meadows; A. J. | Stellar evolution; | 888 | 523.8 |
Meadows; A. J. | Stellar evolution; | 408 | 523.8 |
Meadows; A. J. | Stellar evolution; | 407 | 523.8 |
Mehlin; Theodore Gre | Astronomy and the origin of th | 194 | 520 |
Mehlin; Theodore Gre | Astronomy. | 11 | 520 |
Mehlin; Theodore Gre | Astronomy. | 32 | 520 |
Meitner; John G. | Astronautics for science teach | 716 | 629.4 |
Menzel; Donald Howar | A field guide to the stars and | 659 | 523 |
Menzel; Donald Howar | Astronomy | 31 | 520 |
Merrill; Paul Willar | Space chemistry. | 150 | 523.01 |
Miczaika; G. R. | Tools of the astronomer | 642 | 522 |
Middlehurst; Barbara | The moon; meteorites; and come | 388 | 521 |
Miller; Robert | Making & Enjoying Telescopes. | 922 | 522.2 |
Millman; Peter M. | This universe of space. | 187 | 523.1 |
Mitton; Simon; | Exploring the galaxies / | 424 | 523.1 |
Mitton; Jacqueline. | Astronomy : | 48 | 520 |
MochGe; Dinah L.; | Astronomy : | 46 | 520 |
Moore; Patrick. | The Moon / | 322 | 523.3 |
Moore; Patrick. | Guide to Mars / | 334 | 523.4 |
Moore; Patrick. | Mars | 340 | 919.9 |
Moore; Patrick. | Color star atlas. | 657 | 523.8 |
Moore; Patrick. | New guide to the moon / | 308 | 523.3 |
Moore; Patrick | Basic Astronomy. | 893 | 520 |
Moore; Patrick. | Comets / | 372 | 523.6 |
Moore; Patrick | The Return of Halley's Comet. | 390 | 523.64 |
Moore; Patrick. | Stargazing : | 671 | 523 |
Moore; Patrick. | Atlas of the solar system / | 196 | 523.2 |
Morrison; David; | Voyages to Saturn / | 368 | 919.9 |
Morrison; Philip. | The Search for extraterrestria | 777 | 574.999 |
Morris; Richard; | The fate of the universe / | 496 | 523.1 |
Morrison; David; | Voyage to Jupiter / | 240 | 559.9 |
More; Louis Trenchar | Isaac Newton; A Biography. | 556 | 925.3 |
Motz; Lloyd; | The universe : | 513 | 523.1 |
Motz; Lloyd; | Essentials of astronomy | 85 | 523 |
Motz; Lloyd; | Essentials of astronomy / | 83 | 523 |
Muirden; James. | Astronomy with binoculars. | 623 | 523 |
Muirden; James. | The amateur astronomer's handb | 617 | 520 |
Muirden; James. | How to use an astronomical tel | 626 | 522 |
Munitz; Milton Karl; | Space; time; and creation; | 482 | 113 |
Munitz; Milton Karl; | Theories of the universe; | 606 | 523.1 |
Murchie; Guy; | Music of the spheres; | 818 | 500.5 |
Murphy; Edgar Gardne | A beginner's star-book; | 1 | 520 |
Murchie; Guy; | Music of the spheres; | 819 | 500.5 |
Murmurs of Earth : | 727 | 1.55 | |
Murray; Bruce C. | Earthlike planets : | 201 | 559.9 |
Murdin; Paul. | Catalogue of the universe / | 62 | 523 |
Murdin; Paul. | The new astronomy : | 417 | 523 |
Murchie; Guy; | Music of the spheres. | 561 | 523 |
Mutch; Thomas A.; | Geology of the moon : | 299 | 551.7 |
Mutch; Thomas A.; | Geology of the moon; | 300 | 551.7 |
Namer; Emile. | Galileo; | 549 | 925.2 |
Nassau; Jason John; | Practical astronomy. | 634 | 522 |
Neal; Harry Edward; | The telescope. | 697 | 522.2 |
Neely; Henry M. | A primer for star-gazers. | 647 | 523.8 |
Neely; Henry M. | The stars by clock & fist. | 682 | 523.89 |
Neighbors of the earth; | 211 | 523.8 | |
Neugebauer; O. | Astronomy and history : | 533 | 520.9 |
New space handbook: | 741 | 629.1388 | |
Newcomb; Simon 1835- | Simon Newcomb's Astronomy for | 38 | 523 |
The New universe. | 505 | 520 | |
The New solar system / | 231 | 523.2 | |
Newton; Isaac; | Sir Isaac Newton's Mathematica | 827 | 521 |
Newton; Isaac; | Isaac Newton's papers and lett | 564 | 500.208 |
The New solar system / | 230 | 523.2 | |
Newton; Isaac; | Sir Isaac Newton's Mathematica | 828 | 521 |
Neyman; Jerzy; | The heritage of Copernicus: th | 590 | 509 |
Nicolson; Iain. | The road to the stars / | 754 | 629.45 |
Nicks; Oran W. | This island Earth; | 918 | 910 |
Nininger; Harvey Har | Arizona's meteorite crater; | 369 | 523.51 |
Nininger; Harvey Har | Out of the sky; | 386 | 523.51 |
Norton; Arthur P. | Norton's star atlas and refere | 957 | 523.19 |
North; Gerald | Advanced Amateur Astronomy. | 925 | 520 |
Norton; Arthur P. | Norton's 2000.0 : | 920 | 523 |
Nourse; Alan Edward. | Universe; Earth; and atom; | 853 | 530 |
NOVA; Adventures in Science. | 969 | 500 | |
Noyes; Robert W.; | The Sun; our star / | 255 | 523.7 |
ObregGon; Mauricio | Argonauts to astronauts / | 530 | 910 |
Olcott; William Tyle | A field book of the stars / | 646 | 523.8 |
Olivier; Charles P. | Meteors | 382 | 523.5 |
O'Meara; Stephen Jam | The Messier Objects. | 923 | 523.8 |
O'Meara; Stephen Jam | The Messier Objects. | 924 | 523.8 |
O'Neill; Gerard K. | The high frontier : | 750 | 609 |
Oparin; Aleksandr Iv | Life in the universe | 770 | 523.13 |
Ordway; Frederick Ir | Pictorial guide to planet Eart | 277 | 910 |
The origin of the solar system | 233 | 523.2 | |
The origin of the solar system | 217 | 521.54 | |
Ottewell; Guy. | The astronomical companion / | 974 | 523 |
Page; Thornton; | Starlight; | 400 | 523.8 |
Page; Thornton; | Stars and galaxies: birth; age | 483 | 523.8 |
Pagels; Heinz R.; | The cosmic code : | 789 | 530.1 |
Page; Thornton; | The evolution of stars: how th | 414 | 523.8 |
Page; Thornton; | Beyond the Milky Way; | 423 | 523.8 |
Page; Thornton; | Stars and clouds of the Milky | 435 | 523.8 |
Pasachoff; Jay M. | Contemporary astronomy / | 67 | 520 |
Pasachoff; Jay M. | Astronomy now / | 41 | 520 |
Pasachoff; Jay M. | University astronomy. | 975 | 520 |
Paul; Henry E. | Telescopes for skygazing / | 695 | 522 |
Paul; Henry E. | Binoculars and all-purpose tel | 688 | 522.2 |
Peattie; D. C.; | A book of hours | 522 | |
Pejovic; Brian. | Man and meteorites / | 380 | 523.5 |
Peltier; Leslie C.; | Guideposts to the stars; | 663 | 523 |
Peltier; Leslie C.; | Starlight nights; | 868 | 520.924 |
Petterssen; Sverre; | Introduction to meteorology. | 800 | 551.5 |
Pickering; James S. | Asterisks : | 8 | 520.01 |
Pilcher; Frederick | Tables of Minor Planets. | 901 | 523.44 |
The Planet we live on : | 289 | 550 | |
Polya; George; | Mathematical discovery; | 807 | 510.76 |
Polya; George; | Mathematical discovery; | 808 | 510.76 |
Press; Frank. | Earth / | 265 | 550 |
Price; Fred W. | The planet observer's handbook | 919 | 523.2 |
Price; Fred W. | The planet observer's handbook | 966 | 523.2 |
Protostars & planets : | 398 | 521 | |
Quanta and Reality. | 477 | ||
Rackham; Thomas W. | Moon in focus. | 307 | 523.3 |
Rapport; Samuel Berd | Astronomy; | 20 | 520.82 |
Raymo; Chet. | The soul of the night : | 874 | 520 |
Reed; W. Maxwell | The stars for Sam. | 181 | 523 |
Reichenbach; Hans; | The philosophy of space & time | 835 | 113 |
Reichert; Robert J. | Binoculars & scopes; : | 886 | 522.2 |
Revealing the universe : | 479 | 520.19 | |
Rey; Hans Augusto | The Stars; a new way to see th | 681 | 523.89 |
RFuchardt; Eduard; | Light; visible and invisible. | 803 | 535 |
Riabchikov; Evgenii. | Russians in Space. | 734 | 629.4 |
Richardson; Robert S | Getting acquainted with comets | 378 | 523.6 |
Richardson; Robert S | The star lovers; | 600 | 520 |
Ridpath; Ian; ed. | The Illustrated Encyclopedia o | 79 | 520.3 |
Ridpath; Ian. | Messages from the stars : | 772 | 574 |
Ridpath; Ian. | Worlds beyond : | 782 | 574.999 |
Rival Theories of Cosmology : | 480 | 523.1 | |
Robinson; J. Hedley. | Astronomy data book | 649 | 523 |
Ronan; Colin A. | Man probes the universe | 877 | 523 |
Ronan; Colin A. | Astronomers royal | 531 | 520 |
Ronan; Colin A. | Edmond Halley : | 545 | 520 |
Ronan; Colin A. | Galileo / | 550 | 520 |
Ronan; Colin A. | Changing views of the universe | 535 | 520.9 |
Ronan; Colin A. | Invisible astronomy | 707 | 522 |
Rosemergy; John C.; | Celestial horizons : | 63 | 523 |
Roth; Guner Dietmar; | Astronomy: | 43 | 520 |
Rousseau; Pierre; | Man's conquest of the stars. | 560 | 520.9 |
Rowan-Robinson; Mich | The cosmological distance ladd | 899 | 521.19 |
Rowan-Robinson; Mich | Cosmology / | 456 | 523.1 |
Rowan-Robinson; Mich | Cosmic landscape : | 706 | 523 |
Roy; Archie Edmiston | Astronomy : | 51 | 520.2 |
Roy; Archie E. | Astronomy; Principles and Prac | 50 | 520 |
Rudaux; Lucien; | Larousse encyclopedia of astro | 82 | 520.3 |
Russell; Bertrand; | The ABC of relativity. | 486 | 530.1 |
Rush; Joseph Harold. | The dawn of life | 779 | |
Russell; Bertrand+ | The A B C of Relativity. | 970 | 530.1 |
Russell; Henry Norri | Astronomy; a revision of Young | 18 | 520 |
Ryan; Cornelius; | Across the space frontier | 713 | 629.14353 |
Sadil; Josef. | The moon and the planets. | 288 | 523.39 |
Sagan; Carl; | Other worlds. | 773 | 574.999 |
Sagan; Carl; | The cosmic connection : | 778 | 523 |
Satterthwaite; Gilbe | Encyclopedia of astronomy | 80 | 520 |
Sawyer Hogg; Helen. | The stars belong to everyone : | 180 | 523 |
Schatzman; Evry L. | The origin and evolution of th | 475 | 523.12 |
Scharf; David; | Magnifications : | 865 | 778.3 |
Schwarzschild; Marti | Structure and evolution of the | 411 | 523.8 |
Sciama; D. W. | Modern cosmology | 472 | 523.1 |
Sciama; D. W. | The unity of the universe. | 510 | 523.1 |
Scientists confront Velikovsky | 866 | 1.092 | |
Science in space. | 147 | 523 | |
Selwyn; Edward; Will | Photography in Astronomy. | 703 | 522.63 |
Shapiro; Stuart L. | Black holes; white dwarfs; and | 394 | 521.519 |
Shapley; Harlow; | Source book in astronomy; 1900 | 149 | 520.82 |
Shapley; Harlow; | A source book in astronomy; | 569 | 520.82 |
Shapley; Harlow; | Galaxies. | 426 | 523.113 |
Shapley; Harlow; | Through rugged ways to the sta | 608 | 520 |
Shapley; Harlow; | Beyond the observatory. | 534 | 508 |
Sheffield; Charles. | Earthwatch; a survey of the wo | 266 | 525 |
Shipman; Harry L. | Black holes; quasars & the uni | 448 | 523 |
Shklovskii; I. S. | Stars; their birth; life; and | 404 | 523.7 |
Shklovskii; I. S. | Intelligent life in the univer | 765 | 523.13 |
Short; Nicholas M. | Planetary geology / | 348 | 559.9 |
Shternfel'd; Ario Ab | Soviet space science. | 736 | 629.13882 |
Shu; Frank H. | The Physical Universe : | 173 | 523.19 |
Sidgwick; J. B. | Observational astronomy for am | 630 | 522 |
Sidgwick; J. B. | Amateur astronomer's handbook. | 616 | 520 |
Silk; Joseph; | The big bang : | 487 | 523.1 |
Singer; Charles Jose | A short history of scientific | 555 | 509 |
Skilling; William T. | A Brief Test in Astronomy. | 1116 | 520 |
Skilling; William Th | A Brief Text in Astronomy. | 2 | 520 |
Skilling; William T. | Sun; moon; and stars; | 159 | 523 |
Skilling; William T. | Astronomy | 27 | 520 |
The Skywatcher's handbook : | 640 | 520 | |
Slipher; Earl | The photographic story of Mars | 976 | 523.43 |
Smart; W. M. | The riddle of the universe | 176 | 520 |
Smith; Elske v. P. | Introductory astronomy and ast | 33 | 520 |
Smith; Elske v. P. | Introductory astronomy and ast | 471 | 520 |
Sneath; P. H. A. | Planets and life | 774 | 523.1 |
Snow; Theodore P. | The dynamic universe : | 164 | 520 |
Southall; James P. C | Mirrors; prisms and lenses; | 815 | 535.1 |
Soviet writings on earth satel | 737 | 629.1388 | |
Space weapons: a handbook of m | 746 | 629.1388 | |
Space science and astronomy : | 744 | 520 | |
The Space encyclopaedia; | 178 | 629.403 | |
Spitz; Armand. | The pinpoint planetarium; | 953 | 520 |
Spitz; Armand. | The pinpoint planetarium; | 952 | 520 |
Stacey; F. D. | Physics of the earth | 826 | 551 |
Star Evolution. | 399 | 523.8 | |
Stetson; Harlan True | Man and the stars. | 559 | 520 |
Stoy; R. H.; ed. | Everyman's astronomy. | 87 | 520 |
Story; Ronald. | Guardians of the universe? / | 864 | 1.9 |
Stokley; James; | Atoms to galaxies; | 58 | 539.7 |
Struve; Otto | Elementary Astonomy. | 76 | 520 |
Struve; Otto; | Stellar evolution; | 406 | 523.8 |
Struve; Otto; | Astronomy of the 20th century | 42 | 520.904 |
Strong; James Godwin | Flight to the stars; | 718 | 629.4501 |
Struve; Otto; | The universe. | 512 | 523.1 |
Sullivan; Walter. | Black holes : | 446 | 523 |
Sullivan; Walter. | We are not alone; | 781 | 523.13 |
Sullivan; Walter. | Continents in motion; | 960 | 551.1 |
Tattersfield; Donald | Projects and demonstrations in | 141 | 520.76 |
Tauber; Gerald E. | Man's view of the universe / | 117 | 520 |
Taylor; Edwin F. | Spacetime physics | 883 | 530.11 |
Taylor; John William | Rockets & missiles; | 731 | 621.43 |
Taylor; Stuart Ross; | Lunar science: a post-Apollo v | 304 | 559.9 |
Telescopes : | 694 | 522.2 | |
Texereau; Jean; | How to make a telescope / | 691 | 522.2 |
Thompson; Allyn Jose | Making your own telescope. | 913 | 522.21 |
The Times atlas of the moon; | 329 | 523.39 | |
Tinsley; Beatrice; e | The Evolution of Galaxies and | 889 | 523.12 |
Tirion; Wil. | Sky atlas 2000.0 : | 973 | 523.89 |
Tombaugh; Clyde Will | Out of the darkness; the plane | 346 | 523.4 |
Trefil; James S.; | Space; time; infinity : | 152 | 520.19 |
True; Webster Prenti | Smithsonian treasury of scienc | 849 | 508.1 |
True; Webster Prenti | Smithsonian treasury of scienc | 784 | 508.1 |
True; Webster Prenti | Smithsonian treasury of scienc | 848 | 508.1 |
UnsFold; Albrecht; | The new cosmos / | 170 | 520.19 |
Urey; Harold Clayton | The planets : | 234 | 521.5 |
Van de Kamp; Peter; | Basic astronomy. | 60 | 523 |
Velikovsky; Immanuel | Worlds in collision. | 614 | 523.1 |
Verschuur; Gerrit L. | Cosmic catastrophes / | 863 | 520 |
Viking orbiter views of Mars / | 909 | 523.4 | |
Vitaliano; Dorothy B | Legends of the earth; | 269 | 398 |
Von Braun; Wernher; | The Mars project / | 752 | 629.45 |
Von Braun; Wernher; | History of rocketry & space tr | 730 | 629.4 |
Von Hagen; Victor Wo | The ancient sun kingdoms of th | 871 | 972.01 |
Von Braun; Wernher; | Conquest of the moon; | 296 | 629.14353 |
Walker; Jearl | The Flying Circus of Physics. | 841 | 530 |
Wanderers in the sky; | 241 | 523.8 | |
Ward; Ritchie R. | The living clocks | 842 | 574.1 |
Webb; T. W. | Celestial objects for common t | 665 | 523 |
Webb; T. W. | Celestial objects for common t | 949 | 523 |
Weigert; A. | A concise encyclopedia of astr | 3 | 520.3 |
Weinberg; Steven. | Gravitation and cosmology: pri | 468 | 530.1 |
Weinberg; Steven; | The first three minutes : | 497 | 523.1 |
Werner; Helmut | From the Aratus Globe to the Z | 621 | |
Whipple; Fred Lawren | Orbiting the sun : | 215 | 523.2 |
Whitney; Charles All | Whitney's Star finder : | 685 | 523 |
Whitrow; Gerald Jame | The structure and evolution of | 485 | 523.1 |
Whipple; Fred Lawren | Earth; moon; and planets | 198 | 523.4 |
Whitney; Charles All | The discovery of our galaxy | 586 | 520 |
Whipple; Fred Lawren | The mystery of comets / | 389 | 523.6 |
Williams; Henry Smit | The great astronomers; | 589 | 925.2 |
Wilkins; Hugh Perciv | The moon : | 318 | 523.3 |
Wilkins; Hugh Perciv | How to make and use a telescop | 690 | 522.2 |
Wilson; Colin; | Starseekers / | 574 | 520 |
Williams; Henry Smit | The great astronomers; | 926 | 925.2 |
Wood; John A.; | Meteorites and the origin of p | 207 | 523.51 |
Wood; John Edwin. | Sun; moon; and standing stones | 578 | 936 |
Wood; John A.; | The solar system / | 237 | 523.2 |
Woolf; Harry | The Transits of Venus : | 602 | 523.92 |
Wright; Helen; | Palomar : | 692 | 522.19794 |
Wright; Helen; | The legacy of George Ellery Ha | 594 | 520 |
Wright; Helen; | Explorer of the universe : | 547 | 523.01 |
Wyatt; Stanley P. | Principles of astronomy: | 139 | 520 |
Wyatt; Stanley P. | Principles of astronomy | 140 | 520 |
Wylie; C. C. | Our starland : | 130 | 523 |
Young; Charles Augus | Lessons in Astronomy; includin | 967 | 520 |
Zadde; Arthur J. | Making Friends with the Stars. | 664 | 520 |
Zeilik; Michael. | Astronomy : | 45 | 520.21 |
Zeilik; Michael. | Astronomy; the evolving univer | 54 | 520.21 |
Zeilik; Michael. | Astronomy : | 55 | 520.21 |
Zim; Herbert. | Stars : | 673 | 523 |