Article Databases
Open Access Databases and Other Websites
Finding Physics Books
Bradley's library uses the Library of Congress classification system.  All natural sciences are in the Q's.  
Astronomy is located at QB and Physics at QC
Related fields
QA - Mathematics

QC 172-173 - Constitution and properties of matter
QC 310-319 - Thermodynamics
​QC 450-467 – Spectroscopy
QC 762-763 - NMR, EPR
QD - Chemistry
QE - Earth Sciences, including Geochemistry
T 174.7 - Nanotechnology 
TA 455 - Materials (non-metallic)
TP - Chemical Technology (includes engineering)