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.

Paszkowski discusses changes in the tensions of the Cuban Missile Crisis situation, including his opinion that the US's recent actions and rhetoric were a pre-election bluff.

The Italian Communist Party (PCI) Politburo discuss recent events in Cuba: the revolution, US invasion of Cuba and the international political situation.

A meeting between the Politburo members of the East German Central Committee (CC GDR) concerning US imperialist actions against Cuba, meaning the economic sanctions and blockade. The GDR Politburo members express their strong support of Cuba.

A brief analysis of Chinese-Cuban relations during the crisis and Fidel Castro's diplomatic skills in his relations with both the United States and Soviet Union.

A conversation between China’s Ambassador to Cuba Shen Jian and Cuban Finance Minister Ernesto “Che” Guevara. They discuss the situation of the Cuban economy given recent U.S. blockades, as well as the various situations in other countries like Yugoslavia, Argentina and Guatemala.