Clinton Community College
Directory of Open Access Journals - "The aim of the Directory of Open Access Journals is to increase the visibility and ease of use of open access scientific and scholarly journals thereby promoting their increased usage and impact." From Lund University, Sweden.
Internet Public Library, Physics
Librarians' Internet Index, Physics
Net Advance of Physics - "Review Articles and Tutorials in an Encyclopædic Format." From the Massachusetts Institute of Technology.
Physics.org - "Search our database of 7,000 handpicked physics sites." From the Institute of Physics. "The Institute of Physics is a scientific membership organisation devoted to increasing the understanding and application of physics."
Saint Ambrose University, Best Information on the Net, Physics
Science.gov, Physics - "Material from government agencies."