Funding Note: The cataloging of this collection has been supported by a grant from the Conference on Jewish Material Claims Against Germany. Judith Pető Leiber donated the Pető family papers to the United States Holocaust Memorial Museum in 1989 and 2004. Eva Ecker added materials in 1989 and 2005. Accessions previously cataloged as 1989.255.1, 2004.383.1 and 2005.284.1 have been incorporated into this collection