United States. Central Intelligence Agency. Center for the Study of Intelligence.; Cold War.; World War, 1939-1945.; Intelligence service.; Electronic books.; United States.; Soviet Union.; United States. Central Intelligence...
Preserved in the OCLC Digital Archive. Harvested from https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/assessing-the-soviet-threat-the-early-cold-war-years/index.html on February 29, 2012.;...
United States. Central Intelligence Agency. Center for the Study of Intelligence.; Cold War.; Intelligence service.; Europe, Eastern.; United States.; Soviet Union.; United States. Central Intelligence Agency--History--Sources.; Cold...
Preserved in the OCLC Digital Archive. Harvested from...
United States. National Security Agency--History.; Electronic surveillance--United States.; Intelligence service--United States.; Cryptography--United States--History.; Cold War.
Top Secret Umbra, excised copy. Approved for release by NSA on 07-31-2007, FOIA case #40186.; Preserved in the OCLC Digital Archive. Harvested from http://www.gwu.edu/~nsarchiv/NSAEBB/NSAEBB260/nsa-1.pdf,...
