Walker Library is moving from the Dewey Decimal System of classification to the Library of Congress (LC) system. During this process, we are using both systems, with LC books and Dewey books on different floors. You can find a specific book's location and call number in the Library Catalog.
LC Call Numbers (2nd floor)
Dewey Call Numbers (3rd floor)
520 Astronomy & allied sciences
521 Celestial mechanics
522 Techniques, equipment & materials
523 Specific celestial bodies & phenomena
525 Earth (Astronomical geography)
526 Mathematical geography
527 Celestial navigation
528 Ephemerides
529 Chronology
530 Physics
531 Classical mechanics; solid mechanics
532 Fluid mechanics; liquid mechanics
533 Gas mechanics
534 Sound & related vibrations
535 Light & infrared & ultraviolet phenomena
536 Heat
537 Electricity & electronics
538 Magnetism
539 Modern physics
Fundamentals of Physics I by 
Advances in Multi-Physics and Multi-Scale Couplings in Geo-Environmental Mechanics by 