Correspondence with: British authorities, New Zionist Organization institutions, Jewish National Council, lawyers, Committee for Captives of Zion, Arie Ben Eliezer and his family and different individuals. Main issues: demand for release of Arie Ben Eliezer. Intent to demand release of detainees from detention camps. Obtaining visa to Cuba for him. Visit requests. Transfer to Latrun. Deportation to Africa. Opening legal proceedings demanding his release. Organizational matters related to trial. Request permission to appeal. Visit by Max Seligman to Eritrea. Letter from Eri Jabotinsky about Emergency Committee operations to save Jews of Europe and request for release of Arie Ben Eliezer in order to include him in this activity. Includes documents in Italian.