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.

Ulbricht speaks at the Moscow Conference of Secretaries of the Central Committees of the Communist and Workers' Parties of Socialist Countries for the Exchange of Opinions on Questions Concerning the Preparation and Conclusion of a German Peace Treaty.

A cable from the West German Embassy in Washington, D.C. discussing the threat to American security posed by an "offensive" Soviet base in Cuba, insights provided by recent intelligence, the purpose and the impact of the American blockade of Cuba, negotiations that have taken place at the United Nations, Soviet intentions during the Cuban crisis and, finally, a comparison of Cuba to the situation in Berlin.