National Archives (UK)
Cold War: The Potsdam Conference
An in-depth study of international relations at the time of the Potsdam Conference. Includes political cartoons, primary source documents, and teacher resources.
National Archives (UK)
Cold War: Allies at War What the Public Did Not See
A comprehensive search into the growing distrust between Allied countries at the beginning of the Cold War. Includes great primary source documents and questions directed toward students.
PBS
Pbs: American Experience: Truman: Foreign Affairs
This site gives a great overview of the early Cold War under President Truman. Describes relations with the Soviet Union, the atomic bomb, actions in western Europe, and the Korean War. A great piece that gives the reader a fantastic...
Library of Congress
Loc: Cold War Estrangement
This site from the Library of Congress discusses the progress of World War II, and the nature of the postwar settlement at conferences in Tehran, Yalta, and Potsdam.