The Internet History Sourcebooks Project is a collection of public domain and copy-permitted historical texts (primary sources) presented for educational use. There are sourcebooks available for specific time periods, locations, demographics, and topics.
The New York Public Library's archival and manuscript collections preserve evidence of human activity and achievement that forms a basis for the study of political, social, economic, and cultural history. Collections span across a wide range of topics with a variety of materials.
The Archives of American Art is the world’s preeminent and most widely used research center dedicated to collecting, preserving, and providing access to primary sources that document the history of the visual arts in America.