Source of acquisition is the German Federal Archives (Bundesarchiv) Berlin; Record Group DY 55 and DY 54. Extracted from these files, the names of victims were registered in a database. The names of 1,090 Jews, Communists, Social Democrats, and other opponents of the Nazi regime are listed in the finding aid. The United States Holocaust Memorial Museum Archives received the collection from the Bundesarchive via the United States Holocaust Museum International Archives Project in June 2009. The entire collection was digitized in 2013.