Forms part of the Claims Conference International Holocaust Documentation Archive at the United States Holocaust Memorial Museum. This archive consists of documentation whose reproduction and/or acquisition was made possible with funding from the Conference on Jewish Material Claims Against Germany. Source of acquisition is the Żydowski Instytut Historyczny im. Emanuela Ringelbluma (ŻIH), Sygn. 303/V. Records created by the Centralny Komitet Żydów w Polsce (CKŻP). Wydział Ewidencji i Statystyki; previously Syg. 307. United States Holocaust Memorial Museum Archives received the collection from ŻIH i via the United States Holocaust Memorial Museum’s International Archives Project in October 2010, additional reels accreted in May 2011, and digital files in May 2018.