This collection documents the history of the Harold (formerly Isaac) family. The collection focuses mainly on the brothers Walter and John Harold (born Walter Isaac and Hans Harald Isaac, respectively) and their family history going back to their earliest known ancestor, Herz Isaac of Hesse, Germany. Materials include vital documents, a family history narrative, photographs, passports, correspondence, notebooks, immigration papers, inheritance papers, and a few clippings.

This collection contains the personal papers of Vienna lawyer Joachim David Weichert, his wife Käthe, and their son Hans (later John). The family immigrated to the United States in 1938. Included are education records, military records, official documents, medical records, emigration records, photographs, and prints of painted portraits.

As a young man in Gaukönigshofen, Germany, Werner Kleeman was imprisoned during Kristallnacht, sent to Dachau, and released a few months later. He immigrated to the United States and later took part in D-Day as a U.S. soldier. This collection contains correspondence, official documents, notes, and clippings regarding Werner Kleeman's military service, restitution claims, and pension claims, as well as drafts of his book From Dachau to D-Day. Papers from the military service, immigration, and restitution claims of his father Louis Kleeman comprise a substantial portion of this collection. Also included are genealogical tables, typescripts, and clippings focused mainly on the Kleeman, Loeb, and Lehman families. The final series consists of personal papers of Norborne P. Gatling, Jr., a U.S. soldier whom Kleeman knew.

This collection documents the history of the Jewish community of Burgsinn (Bavaria, Germany) and the Stein, Hamburger, and Heinemann families that played an active role in this community. Materials include official letters and contracts concerning the Burgsinn Jewish community; registries of births, marriages, deaths, and property owners; the records of the Burgsinn Soldiers’ Club; reports on visits of New World Club members to their former German cities in 1994; personal family papers of the Stein, Heinemann, and Hamburger families; and a few photographs.

This collection contains the personal papers of physician and Jewish heredity researcher William Nussbaum, his wife Lotte née Frankfurther, their son Michael, and Lotte’s mother Toni Frankfurther. William immigrated to the United States in 1935, and Lotte and their sons joined him a year later to settle in Kew Gardens (New York, N.Y.). Materials include a large amount of personal correspondence, family trees, photographs, restitution materials, education records, scrapbooks, William Nussbaum’s creative writing, a friendship album, a cookbook, a small number of William Nussbaum’s professional certificates and publications, and materials related to research conducted on William Nussbaum.

The William Werner Bloch Collection documents chapters in the life of William Werner Bloch, especially his involvement as an American soldier in World War II, as well as the history of his family and the claim for compensation against Germany after World War II.

This collection contains a copy of a privately printed genealogical chronicle of the Windmüller family and of the Jewish community of Beckum, as well as original materials regarding the Windmueller's resettlement from Germany to the United States, including appraisal and sale documents for their factory in Beckum.