ABC-CLIO Databases- http://databases.abc-clio.com/Multi/

elibrary  http://elibrary.bigchalk.com/elibweb/curriculum/do/search  and elibrary History Study Center- http://www.historystudycenter.com/home/home.do

SIRS Researcher- http://sks.sirs.com/cgi-bin/hst-portal-display?id=SMI5313-0-6139

Digital History- http://www.digitalhistory.uh.edu/

World Digital Library- http://www.wdl.org/en/

Life Photo Archive hosted by Google- http://images.google.com/hosted/life

Flickr: The Commons-  https://www.flickr.com/commons  

Library of Congress-  http://www.loc.gov/pictures/

Yale university-  http://digitalcollections.library.yale.edu/ 

Smithsonian Institute - http://collections.si.edu/search/

New Deal Network-  http://newdeal.feri.org/texts/default.cfm