Perseus Digital Library, (for study of the ancient world) by Gregory F. Crane, Editor-in-Chief, Tufts University
Smarthistory: The Center for Public Art History - digital content in history and art history
CARLI Digital Collections, developed by the Consortium of Academic and Research Libraries in Illinois (CARLI)
HathiTrust Digital Library, collaborative effort at preserving culture
APIS UM, Advanced Papyryology Information System, UM, a virtual library created and maintained by the University of Michigan
Digitized Images from the Bodleian Special Collections, Oxford University
Medieval and Renaissance Manuscripts, Harvard University
Europeana, Europe's digital cultural heritage collections - funded by the European Union
Google Art Project, Digital Art Collections
Los Angeles County Museum of Art, (LACMA) Los Angeles, California
SFMOMA, San Francisco Museum of Art
Digital Scriptorium, a consortium of American libraries and museums
Getty Institute Digital Collections, developed by the Getty Research Institute