Jewish Maritime
Correspondence between Yermiyahu Halperin and A. Gurevich, M. Himmelfarb, Yehoshua Ben Haviv, Z. Hiam, David Ben-Gurion.
Newspaper Items, Speeches, Memoranda
Main topics: Training seamen in the Betar Naval Schools in Civitavecchia, Riga and Budapest, the economic aspect in immigrating to Eretz Israel, history of the Jewish Marine League, curriculum for "Zevulun" Naval School in Tel Aviv and Haifa, activities of 'Brit Yedidei HaSapanut HaYehudit" (Association of Friends of Jewish Maritime) in England.
Controversy between Hatzach (New Zionist Organization) and the Jewish Agency, list of supporters and those with positions in the Jewish Marine League, Eretz Israeli exhibition of deck of the Sarah Aleph, construction of commercial marine corps in Israel, history of Jewish maritime, discrimination against Betar Naval School graduates in Israeli Navy, Maritime Law proposal, budget for Naval School in Civitavecchia.