Source of acquisition is the Makhon le-ḥeḳer tenuʻat ha-ʻavodah ʻa. sh. Pinḥas Lavon (Pinhas Lavon Institute for Labour Movement Research), RG VII-123, Israel. The orginal collection consists of 130 files of miscellaneous material of different provenance and varying relevance. The USHMM has reproduced 17 files. The United States Holocaust Memorial Museum Archives received the filmed collection via the United States Holocaust Memorial Museum International Archival Programs Division in 2012.