. "United States Holocaust Memorial Museum Collection, Gift of Irena Wojcik. This original document is donated in memory of my husband Wladyslaw Wojcik.\n\nUnited States Holocaust Memorial Museum Collection, Courtesy of Irena Wojcik\n\nUnited States Holocaust Memorial Museum Collection, Gift of Irena Wojcik\n\nIrena Wójcik donated the Irena Cymerman Wojcik collection to the United States Holocaust Memorial Museum in 1991, 1996, and 2007. The collections numbered 1991.229, 1996.174.1, and 2007.464.1 have been incorporated into this collection."@en . .