Art

Google Arts & Culture  (http://www.googleartproject.com/)  Explore art museums around the world.

Beazley Archive (http://www.beazley.ox.ac.uk/) Material relating to the study of classical archeology and art.

NYPL Digital Collection (http://digitalgallery.nypl.org/  The New York Public Library's collection of prints, photographs, maps, posters, and more.