The collection consists of diaries, eyewitness accounts, testimonies, essays, official and underground publications, documents from the Jewish councils (Judenrats). The materials pertain to Jewish communities, ghettos, labor camps and to Jews living illegally on the "Aryan side." Materials on the Warsaw Ghetto include a manuscript diary and other notes by Emanuel Ringelblum. Essays by other members of the Oneg Shabat group on topics related to conditions in the ghetto, such as: black market, street trade, smuggling, working, performing arts, child beggars, ghetto folklore, sanitary conditio...