NIST Physical Reference Data
http://physics.nist.gov/PhysRefData/
contents.html

CERN European Laboratory
for Particle Physics
(birthplace of the World-Wide Web)
http://www.cern.ch

Particle Data Group (Lawrence
Berkeley Laboratory)
http://pdg.lbl.gov

Constants and Equations
http://www.tcaep.co.uk/

PhysLink
http://www.physlink.com

Nobel Prize Winners in Physics
http://www.almaz.com/nobel/physics.html

The Internet Pilot to Physics
http://physicsweb.org/

Preprint Archives:

Los Alamos National Laboratory E-Print Archive
http://xxx.lanl.gov

Stanford Linear Accelerator Center Preprint Archive
http://www.slac.stanford.edu/spires/hep/

CERN Articles and Preprints
http://weblib.cern.ch//Home/Library_Catalogue/
Articles_and_Preprints/index.php

OSTI PrePRINT Network
http://www.osti.gov/eprints/

More Physics Resources