"Acquisition" . "Source of acquisition is the Instytut Pamięci Narodowej-Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu (IPN), Sygn. 66. The records were created by the Landrat des Kreises Wöllstein (Wolsztyn, Poland) from ca.1939 to 1944. After World War II, the records were deposited in the IPN. The microfilm was received at the United States Holocaust Memorial Museum Archives in April 1993."@eng . .