Correspondence with Various Individuals, Letters 'Aleph' - 'Daled' (Hebrew)
On these topics:
Greetings and invitations to visits in Israel, his book "And We Are Not Saved", Herut Movement, Warsaw Ghetto Uprising, reburial of Jabotinsky in Israel, his university work, letters of thanks for his lectures, his visit in Israel, publication of book from Organization of Immigrants from Krasnik.
(Hebrew, Yiddish, English, German)