June 16, 1960
Report of the Governmental Delegation Visiting Argentina and Cuba
The document includes excerpts from a Bulgarian delegation's report on their visit to Latin America in 1960. The excerpt covers the delegation's visit to Cuba. Avramova and Agnelov report Cuba's desire to establish diplomatic and cultural relations with Bulgaria. Cuba's interest paramountly involve trade. Avramova and Angelov summarize meetings with important government officials, particulalry Ernesto Guevara, head of the National Bank, and Raul Castro, Minister of Armed Forces. Topics include: the development of the revolution against the Batista government, post-Batista power struggles, geographical fatalism and US influence, Cuba's challenges (e.g. illiteracy, the lack of specialists), land and agricultural reform, construction, industrialization. The delegation recommends the establishment of official relations with Cuba and an invitation for Raul Castro to visit Bulgaria.
November 19, 1960
Memorandum of Conversation between Mao Zedong and Ernesto 'Che' Guevara
A diplomatic meeting of a global communist delegation. Many topics are discussed, including: the domestic situation in Cuba, especially the economic situation (for example: sugar sales); American influence and counter-revolutionaries; and comparison to the domestic situation in other Latin and Central American countries, such as: Peru, Colombia, Brazil, etc.).
November 21, 1960
Memorandum of Conversation between Vice-Chairman Zhou Enlai, Party Secretary of the Cuban Popular Socialist Party Manuel Luzardo, and Member of National Directory Ernesto Che Guevara
A diplomatic conversation covering China-Cuba relations, especially economic situations and the aid China is giving to Cuba.
February 15, 1961
From the Journal of S.M. Kudryavtsev, 'Record of a Conversation with Prime Minister of Cuba Fidel Castro Ruz, 21 January 1961'
Fidel Castro discusses the conditions of the Cuban economy and militia and expresses his belief that Cuba-United States relations are heading in a positive direction.
June 25, 1962
Hungarian Embassy in Havana (Beck), Report on Talk with Cuban President Osvaldo Dorticos on 15 June 1962
In a top secret report, Hungarian Ambassador to Cuba János Beck describes a recent meeting with Cuban President Osvaldo Dorticos. Beck divides the conversation among five categories—agriculture, industry, central planning, counter-revolutionary activities, and the party. Dorticos reports improvements and obstacles (e.g. agricultural production is developing, though slowly, and the growth of the party remains in its initial stages of formation).
September 29, 1962
Italian Communist Journalist Carmine De Lepsis, Interview with Ernesto 'Che' Guevara, Havana
In an interview with journalist Carmine De Lepsis, Che Guevara discusses the future development of the Cuban economy, the improvement in productivity and the establishment of new labor laws, dealing with the exodus of technicians, and in general part of the lower middle class, and compares the situation in Cuba to Latin America in general.
December 14, 1962
Mongolian Embassy in Moscow, Record of Conversation between the Mongolian Ambassador to the Soviet Union and Cuba’s Minister of Foreign Trade Alberto Mora Becerra
Mongolian Ambassador in Moscow Luvsan and the visiting Cuban Minister of Foreign Trade Alberto Mora make plans for future trade negotiations between Mongolia and Cuba. They also discuss the aftermath of the Cuban Missile Crisis and the effect of the US embargo on Cuba's trade relations with Latin American countries and the sale of its sugar harvest.
June 25, 1963
Report from Hungarian Embassy, Prague, on Czechoslovak-Cuban Relations
Hungarian ambassador to Czechoslovakia Lajos Cséby summarizes Deputy Head of the Sixth Main Department [of the Czechoslovak Ministry of Foreign Affairs] Stross’s report on relations between Cuba and Czechoslovakia. Stross reports friendly relations between the two countries, which did not experience difficulties during the Cuban Missile Crisis. Stross outlines Cuba’s problems, economically and politically, and believes that Cuba’s revolutionary success depends on its economic growth. Cuba misunderstood the Soviet Union’s approach to the Cuban Missile Crisis. This led to signs of Chinese influence on Cuban politics, which Stross believes are reversing since Castro’s  visit to the Soviet Union.
March 04, 1964
From the Diary of A. I. Alekseyev, Record of Conversation with Prime Minister of the Republic of Cuba, Fidel Castro, 30 January 1964
Castro attends a demonstration of new Soviet machinery for sugar harvesting and makes suggestions for improvement. Members of the National Leadership of the Cuban Communist Party were also present.
Report on Fidel Castro’s Visit to Bulgaria and Bulgarian-Cuban relations
The report details Bulgaria’s preparations for a Cuban delegation and the visit itself. The author offers both praise and criticism of Cuban leadership. There has been positive progress in Cuba in recent years, yet underlying problems remain (e.g. the economy lacks planning). The Bulgarian government devised the visit as an opportunity to teach the Cuban delegation about building state socialism. The report includes an overview of the Cuban delegations visit. Discussions during the visit involved Cuban economic growth and barriers, China, Romania’s non-interventionist policies, Nixon’s 1972 visit to Moscow, and economic and scientific cooperation (particularly between Bulgaria and Cuba).