April 28, 1960
Excerpts of the Memorandum of the Conversation between Mao Zedong and Blas Roca Calderio, the Party Secretary of the Popular Socialist Party of Cuba
A diplomatic conversation between Chairman Mao and Calderio from Cuba. They discuss the China-Cuba relations, economic aid to Cuba and Cuba's relations with other Central American and Latin America countries.
January 17, 1962
Telegram from Polish Embassy in Havana (Jeleń), 17 January 1962
Jelen reports to Krajewski on the Punta del Este, based on conversations with Blas Roca [Caldeiro], [Raul] Roa [Garcia], and [Carlos] Lechuga, about the situation in various Latin American countries: Mexico, Bolivia, Columbia, Argentina, Peru, Brazil, Cuba.
June 13, 1962
Telegram from Polish Embassy in Havana (Jeleń), 13 June 1962
Rapacki reports on a meeting with the ORI [Organizaciones Revolucionarias Integradas], including: Fidel Castro, Raul Castro, [President Osvaldo] Dorticos [Torrado], Blas Roca, [and Emilio] Aragones [Navarro]. They discussed general issues of coordinating sugar trade, agricultural policy, policies toward the church, diplomatic visits, and the most current topic of the Escalante affair.
November 27, 1962
Letter from Blas Roca in Regards to Post-Missile Crisis Cuba
Letter from Blas Roca and Note Translated from President Osvaldo Dorticos. Among other things, he discusses American foreign policy in Cuba, including Guantanamo Bay and the U.S. invasions, and the significance of Marxism.