United States Holocaust Memorial Museum
folder 1
Contains original correspondence exchanged between Rudolf and Olga Wahle and Trude Wahle Altschul in Prague, and their daughter in Bolovia, dated March-September 1941; a copy of a letter from Francisco Wahle; copies of ITS certificates of incarceration; and copies of photographs of Olga and Rudolf Wahle.
Wahle Altschul family papers