Mount Holyoke College
International Relations: Communist Bloc Expansion in the Early Cold War
This Mount Holyoke college site provides the text of Douglas J. Macdonald's "Communist Bloc Expansion in the Early Cold War: Challenging Realism, Refuting Revisionism."
University of Pennsylvania
University of Pennsylvania: The Truman Doctrine
This site from the University of Pennsylvania gives a description of the Truman Doctrine and its contents. Then link to an excerpt from Howard Zinn's "A People's History of the United States" and compare the differences. A great history...
Other
Parallel History Project: Nato and the Warsaw Pact
Provides documentation and further information about the development of NATO and the Warsaw Pact during the Cold War, their mutual threat perceptions and military plans, and their significance for our time.