American Institute of Physics Handbook by 
AIP Physics Desk Reference by 
The Backyard Astronomer's Guide by 
The Cambridge Illustrated History of Astronomy by 
Concise Catalog of Deep-Sky Objects by 
CRC Handbook of Chemistry and Physics, 95th Edition (print) and 98th ed (online) by 
For Good Measure: A Complete Compendium of International Weights and Measures by 
Handbook of Atmospheric Science by 
Handbook of Physical Quantities by 
Handbook of Physics by 
Knovel's Critical Tables, 2nd ed.
International Critical Tables of Numerical Data, Physics, Chemistry and Technology by 
The Star Guide by 
Star Ware by 
