The file also includes:
Letters from Betar Cuba to the Betar administration in Tel Aviv
Letter from Betar Cuba Commissioner Israel Zaidspiner and Chief of the Central Committee Jacobo Esses on the collection of membership fees, support for the Keren Hayesod and cultural activities
Letter from the Cuba Commission to Betar members on a variety of activities of the organization, 7.6.1956
Letter to the officers of the Cuba Commission on initiatives to support Betar Cuba and the sending of informational material in Spanish
Letters from Petahia Shamir, Secretary of the Administration and Joseph Covo, Director for South America to the Betar Cuba Commission
Letter from the officers of the Cuba Commission to the Jewish Agency, the Youth and Halutz Department, thanking them for financial support for the organization
Letter from the Administration Officer Petahia Shamir to the Betar administration's emissary in Cuba, thanking them for the congratulations on his election to the Knesset and on issues such as: Institute for Overseas Guides, Aliyah, Symbols and Current Affairs
Letter from Israel Zaidspiner and Gidle Feldenkrais to Dr. Ben-Shalom from the Youth and Pioneer Department at the Jewish Agency
Letter from. Kobo to Shmuel Matza, Betar government emissary in Cuba about the newspaper "Herut", the seminary, the visit of Mr. Weiser, the youth elite and a rabbi to the Sephardic community
Letter from the emissary in Cuba to Major Weiser about their expected visit
Letter from the Betar commissioner in Cuba, Israel Zeidspiner, to Dr. Ben-Shalom about 3 places for candidates from Cuba in the Institute for Mentors from Abroad in Jerusalem, 22.12.1954
Flight documents of Shmuel Matza for the KLM flight from Lod to Havana, Cuba
Letter from the Betar commission and the Tachkemoni Institute in Havana to the Betar government
Letter from Dr. Ben-Shalon and N. Gorelik to L. Soloveitchik in Havana
Correspondence regarding Shmuel Matza's mission to Cuba (between Nachman
Soloveitchik, Petahia Shamir, Yosef Covo, Yehuda Ben-Yitzhak, Yosef Shechtman and others).