Jewish families

The collection mainly pertains to Abraham Liebmann and his son Wilhelm, as well as on Abraham's grandson Siegfried and his great-grandson Albert, including their wives. It contains various documents, poetry and a large amount of correspondence from the 19th century. Prominent topics are related to the education, professional and military careers, politics, and marital lives of the family members. Also included are two restitution cases.

The Albert Salomon Family Collection holds papers of several members of the Salomon family, especially sociologist Albert Salomon, his wife Anna Salomon, his aunt social reformer Alice Salomon, and his daughter Hannah Salomon Janovsky. Much of the collection consists of family photographs. Other prominent materials include correspondence of Hannah Janovsky on the preservation and publication of her family members' writings and articles on the life of Albert Salomon. A small amount of family papers and genealogical information is also present.

The Carola Levy Collection holds the papers of Carola Levy Kaufmann as well as of the Levy and Feldheim families and related families. The collection consists of correspondence, article manuscripts, copies of family members' documents and newspaper clippings, and a friendship book.