United States Holocaust Memorial Museum collection, gift of Harriet Lieber United States Holocaust Memorial Museum collection, gift of Harriet Lieber and Lorrie Lieber Harriet Lieber and Lorrie Lieber donated the Lieber and Löw families papers to the United States Holocaust Memorial Museum in 2019. The accessions numbered 2019.521.1 and 2019.622.1 have been incorporated into this collection.