United States Holocaust Memorial Museum Collection, Gift of John and Harriet Isaack Funding Note: The cataloging of this collection has been supported by a grant from the Conference on Jewish Material Claims Against Germany. John and Harriet Isaack donated the John and Harriet Isaack papers to the United States Holocaust Memorial Museum in 1992 in memory of their parents. The accessions previously cataloged as 1992.53 and RG-03.011 (1992.A.0036) has been incorporated into this collection.