United States Holocaust Memorial Museum Collection, Gift of Paul Grootkerk and the Estate of Paul Grootkerk Funding Note: The cataloging of this collection has been supported by a grant from the Conference on Jewish Material Claims Against Germany. Paul Grootkerk donated the Grootkerk family papers to the United States Holocaust Memorial Museum in 1991, 1993, 1994, and 2002. The accessions previously cataloged as 1991.119.2, 1993.39.1, and 1994.A.0234 have been incorporated into this collection.