http://images.google.com/hosted/life
http://www.time.com/time/photoessays
http://www.nationalgeographicstock.com/
http://www.wisconsinhistory.org/whi/advancedSearch.asp
An example portrait from this archive

http://smithsonianimages.si.edu/siphoto/siphoto.portal?_nfpb=true&_pageLabel=home
http://www.life.com/
http://www.archives.gov/research/arc/
http://peopleofindia1868-1875photos.blogspot.com/

Studio portrait of shroffs or money changers at Delhi in India

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