U.S. Bureau of Public Affairs: Office of the Historian
The Office of the Historian is responsible, under law, for the preparation and publication of the official historical documentary record of U.S. foreign policy in the Foreign Relations of the United States series. It researches and writes historical studies on aspects of U.S. diplomacy for use by policymakers in the Department and in other agencies as well for public information.
U.S. Diplomatic History Resources Index
This web page is an index of resources available to historians of U.S. foreign policy on the web. It includes subsections containing links to Archives, Bibliographies, Book Reviews, Books, Centers, Course Materials, Documents, Journals, Organizations, and academic and professional Organizations.
United States Diplomatic History
The Department of History at Tennessee Technological University maintains this site, which provides many internet resources.
United States Foreign Policy since 1945
Maintained by The University of Michigan Documents Center, this site includes international sources, research tools, and background information.
WWW Virtual Library: International Affairs Resources
This site provides links to resources on international affairs. While the topic is not specifically U.S. international affairs, it does include information relevant to the topic.