A Stasi intelligence report on the potential for terrorist activity in Berlin.

General Secretary Krentz reports to Gorbachev that East Germany has allowed GDR citizens to cross the border to West Berlin following mass protests at the Berlin Wall and its checkpoints. Of the 60,000 citizens who took advantage of the open border, reportedly 45,000 returned to East Germany after visiting the west.

Rush updates National Security Advisor Henry Kissinger on the progress of the Four Powers Negotiations on Berlin, informing him that the "bureaucrats [in the State Department] have been foiled" and an agreement has been completed and "it contains virtually everything we hoped to get under our maximum demands."

Alarmed by the speed of the negotiations' progress, Secretary Rogers informs Ambassador Rush (and Henry Kissinger) that "an ad referendum agreement should not be reached at the present time."

US Ambassador Rush informs Kissinger on the progress of negotiations between the Soviet Union, France, Great Britain, and the United States on the status of Berlin.

US Ambassador Rush informs Kissinger on the progress of negotiations between the Soviet Union, France, Great Britain, and the United States on the status of Berlin. He reports that negotiations have gone well, aside from difficulties with the British and French ambassadors.

National Security Advisor Henry Kissinger updates President Nixon on the status of the Four Power Berlin negotiations between the Soviet Union, East Germany, West Germany, and the United States, focusing on unresolved issues on which the four states were unable to agree.

National Security Advisor Henry Kissinger updates President Nixon on the status of the Four Power Berlin negotiations between the Soviet Union, East Germany, West Germany, and the United States.

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

Khrushchev response to Ulbricht's 15 September letter regarding the closing of the border between east and west Berlin. He notes that since the Western powers were tending toward negotiation rather than confrontation over the crisis, "such steps which could exacerbate the situation, especially in Berlin, should be avoided."