"Acquisition" . "Charles Apfelbaum, a dealer in rare books and collections, purchased these materials at auction. Original and copies of materials were created or collected by Artur Rosenthal and family; the Malz/Finkelstein family; Alois Schwarz; and Rita Rimalower and the Eskenasi family. Apfelbaum donated the materials to the United States Holocaust Memorial Museum Archives in Aug. 1992."@eng . .