Smarthistory, presented by Khan Academy, Dr. Steven Zucker and Dr. Beth Harris - digital content in history and art history
Google Art Project, 156 Art Collections
Archives of American Art, Smithsonian Institute (see Research Collections)
The Getty Research Institute, Digital Collections, J.Paul Getty Trust
Archives of American Art, Smithsonian Institute
Metropolitan Museum of Art Collections Database
Catalog of Illuminated Manuscripts, British Library
JURN, Humanities Journal Online
Google Images, a search engine for online images
Museums, complied by the University of Michigan (full list of museums)
Norton Simon Museum of Art, Pasadena, California
Los Angeles County Museum of Art, Los Angeles, California
Heilbrunn Timeline of Art History, Metropolitan Museum of Art
San Francisco Museum of Modern Art, San Francisco, California
Metropolitan Museum of Art, New York, New York
Georg J Lober and Art Students, Smithsonian Institution, Archives of American Art, Georg John Lober papers [ca. 1915- 1936]
Turabian Quick Guide, University of Chicago
How to Cite Sources in Turabian Format, APU LibGuide, Michelle Spomer (Librarian)
Online Writing Lab, (OWL), Perdue University
Zotero, Free, Firefox extension to help you manage your citations