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 Institute for the Study of Totalitarian Regimes, Fond 425, created by the Czech Secret Police and collected by the Czech Ministry of Interior, Archive of Security Forces; the records were officially transferred from the Czech Ministry of the Interior to the Institute for the Study of Totalitarian Regimes after the Institute's opening in February 2008. The United States Holocaust Memorial Museum Archives recieved the collection from the Institute for the Study of Totalitarian Regimes via the United States Holocaust Museum International Archives Project in November 2009, March 2012, and Dec. 2013.