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1. Cold War International History Project
This site and the links off it is a gold mine! Tons of material.
This website provides access to declassified National Security documents through George Washington University. Much more than just Cold War topics here.
3. Foreign Relations of the United States
OR
http://uwdc.library.wisc.edu/collections/FRUS
On-line access to the published volumes of the famous FRUS series from the State Department. Ongoing project, richest for material that has passed the 50 year classified mark. This is the basic source for U.S. diplomatic activity in all eras, and is completely SEARCHABLE!.
4. National Archives
Select materials available through the National Archives of the United States. Follow the links from this page to specialized research as well.
This European project appears to have gone somewhat dormant in the last few years but has many resources for NATO-Warsaw Pact relations and other European focused topics. (Many are only available in German)
6. Cold War Roadshow video in full from PBS
For 12 days in September 1959, Soviet Premier Nikita Khrushchev traveled the United States from coast to coast, creating a media circus as hundreds of reporters followed his every move. Americans were fascinated by the communist leader and the trip served to ease Cold War tensions -- if only for a short time.
Woman in bomb shelter which is stocked with food and other supplies; bunk bed in corner.
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://www.loc.gov/pictures/item/2015647175/