Correspondence between Yermiyahu Halperin and various individuals and bodies, letter 'Aleph' (Hebrew)

Main topics: Defense of Tel Aviv and Jerusalem, Betar Volunteer Service Units, building a commercial and military marine corps in Israel, transferring remains of HaShomer HaTzair members buried in Israel to a mass grave in Tel Hai, Eilat Canal as alternative to Suez Canal, foreign policy of Jabotinsky, Brit HaBirionim, publishing book "Revival of Jewish Seamanship" in French.