Online Library
hotfreebooks
The Digital Library for Physics, Astrophysics, and Instrumentation
National Science, Mathematics, Engineering, and Technology Education Digital Library (NSDL) (NSF)
CiteSeer (Earth’s largest free full-text index of scientific literature - sponsored by NEC)
Archive.org - The Internet Archive
Los Angeles Public Library - Remote Access Databases
The New York Public Library - Electronic Resources
Locate Your Local Public Library's Web Site
National Science Digital Librar