A Soviet official in Vietnam recounts a meeting with an East German diplomat. The two sides discussed the nuclear threats from the United States in the Vietnam War, as well as relations with China.

Instructions and language from the Politburo to the Soviet representative about the Treaty on Non-Proliferation of Nuclear Weapons.

Letter to Lyndon Johnson about setting a date for negotiations called the Soviet-American Negotiations on the Question of Curbing the Strategic Armaments Race.

Directives from the Politburo to the Soviet Delegation at the Soviet-American technical negotiations. Directive includes proposals and agreements to negotiation points.

Approvals and questions sent from the Politburo to the United States about the Soviet-American technical negotiations on the issue of peaceful uses of nuclear explosions.

Points of discussion for Soviet-American technical negotiations on the issue of peaceful use of nuclear explosions.

Statement sent to the Soviet ambassador in Washington chastising the United States for the B-52 crash in Greenland.

Politburo to the Soviet ambassador and representatives giving them language to use when discussing the American Air Force crash of a B-52 carrying hydrogen bombs in Greenland.

A Politburo memo about a B-52 bomber carrying four hydrogen bombs crashed off the western coast of Greenland, while trying to land at the United States Ai1 Force base at Thule.

Record of conversation between US official, Paul Nitze, and USSR Chief of General Staff Sergey Akhromeev. The two discuss the minutiae of nuclear disarmament, particularly the relative disarmament value of each part of the triad (nuclear-equipped bombers/ICBMs/submarine-launched missiles).