. "United States Holocaust Memorial Museum Collection, Gift of Robert Frankenthal\n\nUnited States Holocaust Memorial Museum Collection, Gift of Robert P. Frankenthal\n\nFunding Note: The cataloging of this collection has been supported by a grant from the Conference on Jewish Material Claims Against Germany.\n\nRobert Frankenthal donated the Friedrich and Ruth Frankenthal papers to the United States Holocaust Memorial Museum in 1988, 1989, and 2003. The accessions formerly cataloged as 1989.15.1, 2003.152.1, and 2003.434.1 have been incorporated into this collection."@en . .