Map Collections 1500- Library of Congress' Geography & Map Division
Sanborn Maps
Historical Maps Perry-Castañeda Library Map Collection, University of Texas at Austin.
Conflict Atlases and Other Maps Digital History Center, United States Military Academy
Historical Map and Chart Collection U.S. Office of Coast and Geodetic Survey
David Rumsey Map Collection
Over 150,000 maps online.
"The collection focuses on rare 16th through 21st century maps of North and South America, as well as maps of the World, Asia, Africa, Europe, and Oceania."
Images of Early Maps on the Web WWW-Virtual Library: History of Cartography
Mapping History University of Oregon
"interactive and animated representations of fundamental historical problems and/or illustrations of historical events, developements, and dynamics."
U.S. Congressional Serial Set Maps (Fresno State access)
Sanborn Maps--California. Proquest (Fresno State access)