Funded by Cornell University and the National Science Foundation, the archive facilitates access to over 400,000 physics e-prints, pre-prints, and manuscripts.
The ComPADRE Digital Library
The ComPADRE Digital Libraryis a network of free online resource collections supporting faculty, students, and teachers in Physics and Astronomy Education.
Historical Scans Currently in the Astrophysics Data System
NASA, the Smithsonian Institute, and Harvard University cooperated to create this web archive of historically significant physics papers.
PHYSnet
PHYSnet, the network of Physics Departments and Documents, offers this online directory of open access physics related journals.