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.

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.

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.

Minutes of the meeting between Anastas Mikoyan, Fidel Castro, and other members of the Secretariat of the ORI in the Old Presidential Palace. The purpose of this meeting is to resolve differences between the Cuban and Soviet governments in order to protect Marxist principles. Among other things, they discuss economic sanctions against Cuba, military intervention by other Latin American countries, the importance of the Cuban revolution to Marxism, and Cuba's relationship with the United States.