What is a Primary Source?

A brief definition
http://www.yale.edu/collections_collaborative/primarysources/primarysources.htm
Keep in mind that many of the links on this site can only be accessed by Yale faculty and students.

http://www.williamcronon.net/researching/index.htm
An excellent site for research in history

New York City History--Digital Collections
http://www.nypl.org/links/index.cfm?Trg=1&d1=1451&d3=Digital%20Collections
New York Public Library, an excellent place to start your search when your assignment requires photos or maps.

The Library of Congress-American Memory
http://memory.loc.gov/ammem/index.html

Historical Maps of the United States
http://www.lib.utexas.edu/maps/histus.html

Repositories of Primary Sources
http://www.uidaho.edu/special-collections/Other.Repositories.html
Archivist Terry Abraham maintains a respectable list of all repositories of primary sources

The Librarians Internet Index
Http://www.lii.org

BUBL LINK Catalogue of Internet Resources
http://bubl.ac.uk/

Infomine: Scholarly Internet Resource Collections
http://infomine.ucr.edu/

Databases for American History
http://library.hunter.cuny.edu/databases/index.php?subjectID=13&page=subject&submit=Go
This is a list of all the databases owned by Hunter that pertain to History.