H-Amstdy discussion list: Provides a forum for research and teaching in the field of American Studies, and for interdisciplinary or multi-disciplinary perspectives on culture. The list focuses on the cultures of North America and the United States, and offers an international perspective on the study of American culture. Bulletin board, book reviews, etc.
History Matters Project: an annotated guide to websites about topics in United States history, listed by time period and topic.
Picturing U.S. History: An interactive resource for teaching with visual evidence, with online "Lessons in Looking," a guide to Web resources, forums, essays, reviews, and classroom activities to help teachers incorporate visual evidence into their classrooms.
New York Historical Society: New York's premier educational and research institute connected with New York's oldest museum and one of the largest independent research libraries.