An air letter from Mexican Embassy describing Brazil's role as the mediator of the Cuban crisis, the dismantling of Cuban nuclear weapons bases, and the role of the UN in this conflict.

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 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.

January 25-26, 1968. F. Castro speaks of relations with the US and Kennedy, friendship with the USSR, as well as placement of missiles, security issues as the US's imperialistic nature, while extolling the virtures of socialism, Cuba, and "The Revolution." Castro also stresses that Soviet withdrawal of weapons from Cuba is a blow to the international Communist movement.

Agreement between the government of Cuba and the government of the USSR concerning the installation of technical equipment of the Revolutionary Armed Forces, and in reinforcing the defensive capacity of the Republic of Cuba and annexes. Includes timetables and charts outlining the import of resources from the Soviets to the Cubans over a period of several years.

Letter to Fidel Castro concerning the conversation that took place with Anastas Mikoyan which discussed the USSR's position on Cuba.

During Mikoyan's visit to Cuba, the Cuban leadership explains its position following the Missile Crisis. Fidel Casto suggests that, while the Cuban leadership still believes that the Soviet Union is sincere in its desire to protect the Cuban Revolution, mistakes had been made during the crisis. The Soviet decision to withdraw the weapons should was based on the exchanges between the Soviet leadership and US President John F. Kennedy, not on the previous agreements between the USSR and Cuba. Castro suggests that the USSR could chose to go back on its security guarantees to Cuba in order to safeguard the peace, but that the Cubans will resist American agression nevertheless. The document only contains the Cuban responses to Mikoyan, without the Soviet leader's answers.

Agreement between the Republic of Cuba and the USSR regarding a provision of special materials to Cuba and payment for these materials. Also attached are two lists enumerating supplies given to Cuba by the USSR.

An agreement between Cuba and the USSR on the provision of special materials to Cuba and payment for these materials. Three annexes are included. Annex I: lists war materials provided by the USSR in 1961-2. 1/3 of the value paid. Annex II: lists materials in 1962-63. 2/3 of the value paid. AnnexIII: lists materials in 1962-3. Total value paid.

Letter written to Comrade Carlos C. Brisuela, a representative of the Cuban government. Two annexes are attached. These state that the USSR will provide to Cuba (in addition to the materials provided by the 30 Sept. 1961 agreement) the materials as specified in Annex I. Apart from the provision provided by Annex I, the USSR will provide materials in accordance with Annex II. In all other affairs, the parties are guided by the original Sept. 1961 agreement.