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Shelf numbers at the Astronomy Library

002 Bibliography
003 Book Series
004 History of Astronomy
009 Observatories & Institutes
014 Teaching & Textbooks
015 Miscellanea & Reference
021 Mathematics
022 Physics
022 Physical Tables
030 Instruments & Techniques
040 Astrometry & Celestial Mechanics
050 Astronautics & Astrobiology
060 Theoretical Astrophysics
070 Sun
080 Earth & Solar-Terrestrial
090 Planetary System
110 Stars
130 Interstellar Matter
140 Radio, X-Rays, Cosmic Rays
150 Stellar Systems and the Galaxy ; Extragalactic Objects & Cosmology
201 Generalities