The CIA’s National Intelligence Daily for Tuesday, 12 December 1989 describes the latest developments in USSR, Bulgaria, East Germany, Western Europe and Eastern Europe.

The CIA’s National Intelligence Daily for 5 December 1989 describes the latest developments in Philippines, East Germany, the Soviet Union, South Korea, Cambodia, Chile, Warsaw Pact, European Community, Czechoslovakia and Eastern Europe.

The CIA’s National Intelligence Daily for 25 Nov 1989 describes the latest developments in Czechoslovakia, Lebanon, East Germany, Western Europe, the Soviet Union, South Africa, El Salvador, Uruguay, India, and NATO-Warsaw Pact.

Treaty establishing the Warsaw Pact in response to the integration of West Germany into NATO.

A memorandum for President Nixon from National Security Advisor Henry Kissinger summarizing West German Chancellor Willy Brandt's "Ostpolitik" or Eastern Policy, which sought to normalize relations between West Germany and the communist countries.

Recommendations adopted by the National Security Council at the suggestion of the Psychological Strategy Board on covert actions to be undertaken in the Soviet Satellite States. Authorized by the National Security Council, NSC 158 envisaged aggressive psychological warfare to exploit and heighten the unrest behind the Iron Curtain. The policy was endorsed by President Eisenhower on June 26, 1953.