. "United States Holocaust Memorial Museum collection, gift of George Fogelson\n\nThe letters were written by Alma Landshut while in Theresienstadt. They later became the possessions of the Fogelson family. George Fogelson sent the copies initially to the United States Holocaust Memorial Museum Collections Department. The materials were transferred to the United States Holocaust Memorial Museum Archives in Oct. 1991. The copies were offically donated to the United States Holocaust Memorial Museum Archives by Mr. Fogelson in Feb. 1992."@en . .