Federal Theatre Project Photographs, http://www.gmu.edu/library/specialcollections/ftpphoto.html, This site includes photographs of people working for the Federal Theatre Project.
American Life Histories: Manuscripts from the Federal Writers' Project, 1936-1940, http://lcweb2.loc.gov/wpaintro/wpahome.html, A collection put together by the Library of Congress of work done by members of the Federal Writers' Project.
The University of Georgia Libraries: WPA Theater Projects, http://www.libs.uga.edu/darchive/hargrett/wpa/theater.html, This site includes several photographs of productions sponsored by the WPA and done in the state of Georgia.