The Bulgarian Embassy in Havana reports to the Central Committee of the Bulgarian Communist Party and the Bulgarian Ministry of Foreign Affairs on political, economic, and cultural developments in Cuba circa 1963. Cuba is politically united, but is experiencing economic hardship after the “Caribbean Crisis” primarily because of the US embargo. In the report, embassy staff reviews developments between socialist countries and Cuba throughout 1963. Some examples include communist aid to Cuba after Hurricane Flora and Cuba’s stance on Sino-Soviet relations. Bulgaria’s show of solidarity resulted in concrete political, economic, and cultural cooperation. Embassy staff notes the drawbacks and benefits of Bulgaria’s relationship with 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.

Resolution of the Bulgarian Communist Party to establish diplomatic relations with Cuba. A report is presented which describes current Cuban economic and trade relations with the Soviet Union, as well as Poland and Czechoslovakia.

A report by the Deputy Minister of Internal Affairs, Mircho Spasov, on the Ministerial Meeting in Bucharest of delegations from Romania, Bulgaria, Czechoslovakia, Hungary, and the Soviet Union. The meeting called for focusing on preventing subversive acts of Western intelligence, improving exchange of information, and conducting joint operations.

Prior to his meeting with the Soviet leader, Todor Zhivkov lays out some issues of the Bulgarian-Soviet economic cooperation, such as pricing and the resulting trade deficit, and areas of specialization within COMECON.

There is a mention of the several different secretaries of different communist countries—Czechoslovakia, Bulgaria, Korea. The need to improve economic situations and living standards in all countries is addressed, including the rebuilding of areas destroyed in the Korean war.