A visit of Soviet Premier Alexei Kosygin from 26-30 June 1967 prompts this report from the Mexican Embassy in Havanna to the Secretary of Foreign Relations in Mexico City. They discuss: the position assumed by the Cuban Government and Communist Party in relation to Latin America, the Middle East and Vietnam, the internal administration of Cuba and the political operation in Cuba.

The report of a conversation in Moscow between Cuban Communist Official Carlos Rafael Rodriguez and Soviet Leader Nikita Khrushchev, discussing Soviet-Cuban relations and public announcements of support.

A report from the Cuban Mission to the UN concerning a conversation with Anastas Mikoyan and US President John F. Kennedy and Secretary of State Dean Rusk. The three are mostly focused on discussing US-Latin American diplomatic relations, and concerns over American military presence in Latin America, specifically the US fly-overs. Kennedy continues to reiterate the US's position on 'no US invasion of Cuba.'

A letter from Cuban President Osvaldo Dorticos regarding a conversation he had with Anastas Mikoyan. The two discussed mostly the USSR's position on Cuba, to which Mikoyan expressed the USSR's support of Cuba (that it would retaliate if Cuba were attacked), but that peaceful coexistence was still the Soviet's plan to follow for the development of humanity toward socialism and the defeat of imperialism.

Instructions from Cuba's Foreign Minister, Roa, to Carlos Lechuga and the Cuban Mission to the UN on how they should handle presenting the Cuban points to the Brazilian proposal as amendments.

A series of cables from the Cuban Foreign Minister, Roa, to Carlos Lechuga and the Cuban Mission to the UN. They discuss: a Cuban amendment to the Brazil proposal; U Thant’s idea of independent declaration in which each country would promise to uphold its corresponding part of the protocol; and opposition to inspections.

Cuban Foreign Minister, Raul Roa, sends a cable to Carlos Lechuga and the Cuban Mission to the UN discussing the "Yankee government" inspecting Soviet ships and instructing the Mission to await further instructions on the Brazil project.

Carlos Lechuga's record of contacts of the UN Cuban Ambassador from 22 October 1962 to 11 January 1963.

A telegram dispatched from the Soviet embassy in Havana early on the morning of Saturday, 27 October 1962. Fidel Castro was at the embassy and composing an important "personal" message for Nikita Khrushchev. The alarmed Cuban leader anticipated US invasion in the next "24-72 hours."

A report on Alekseev's 23 October 1962 conversation with Fidel Castro, together with two members of the Cuban leadership, the day after the public crisis began. Presented with official Soviet statements on the crisis, Castro reviews the situation and confidently vows defiance to the US "aggression," which he claimed was doomed to failure.