Personal documentation belonging to Aron Menczer regarding youth movements in Vienna, correspondence regarding the "Lodawa Affair", lists of those who perished and more - Collection of articles written by members of the Reut chapter of the Blau-Weiss movement regarding interpersonal relations and the meaning of living together as a human ideal, 1940; - Notizbuch (notebook) with various names organized by Aron Menczer (There are no particulars or practical explanations regarding the nature of the lists); - Collection of thoughtful quotes from the Bible, classical writers, philosophers and thinkers, mottos and more recorded by Aron Menczer; - Lagerbuch (Journal) of the work camp run by the female members of the Hashomer Hatzair Cherut group who worked at agricultural jobs in the Siems bei Mieste camp, 16 April-18 May 1941; the journal contains personal letters written by the members; - "Hanukkah 5702 (1941)" pamphlet put together by the Hashomer Hatzair Avoda group; - Lists of names of Vienna Hamizrachi members (Youth Aliyah, pioneers, veteran members): on a transport, illegal immigrants to Eretz Israel, who were in the Lodawa camp in Yugoslavia, late 1939, and perished there, excluding the Youth Aliyah group that managed to obtain certificates for legal aliya to Eretz Israel; - Photographs of Menczer: participants in the Zionist conference in Bendzin, 20 December 1940; members of the Hashomer Hatzair chapter in Bendzin.