Using Maps as Primary Sources

Ericson, Tim. Sanborn Fire Insurance Maps 1867-1950 [online]. Exchange 27 (May/June 1985). Available from: http://www.wisconsinhistory.org/localhistory/articles/sanborn.asp.

Van Ee, Patricia Molen. Geography and Map Division [online]. In American Women: A Library of Congress Guide for the Study of Women's History and Culture in the United States, edited by Sheridan Harvey, Janice Ruth, Barbara Natson, Sara Day, and Evelyn Sinclair. Washington, DC: Library of Congress, 2001.
The author illustrates how researchers can use fire insurance maps, landownership maps, and other types of maps as primary sources.

Digital Collections of Maps

Early Washington Maps: A Digital Collection [online]. Pullman: Washington State University, n.d. [cited 17 May 2002]. Available from: http://www.wsulibs.wsu.edu/holland/masc/xmaps.html.

Sanborn Fire Insurance Maps [online]. Salt Lake City: Marriott Library, University of Utah, n.d. [cited 16 May 2002]. Available from: http://www.lib.utah.edu/digital/sanborn/index.html.

Sanborn Fire Insurance Maps at the University of Virginia Library [online]. Charlottesville: University of Virginia Library, last updated 5 April 2002 [cited 16 May 2002]. Available from: http://fisher.lib.virginia.edu/sanborn/.
This site offers free access to the 1920 Sanborn Fire Insurance Maps for Charlottesville, Virginia. It also includes a helpful section, How to Read Sanborn Fire Insurance Maps.

Commercial Collections

Digital Sanborn Maps, 1867-1970 [online]. [Ann Arbor, Mich.?] : Bell & Howell Information and Learning, [2000- ].