Charlottenburg (Berlin, Germany)

Much of this collection consists of Arthur Segal's correspondence and his unpublished manuscript poem Cosmogenie. Other materials include photographs and some of Anne Ratkowski-Wanger's correspondence.

This collection documents the history of the Lowy family of Berlin from the mid-1800s through the end of the twentieth century with a focus on Adolf Lowy (1878-1943) and his sons Erich (1916-2011) and Arthur (1921-1997). The collection includes family trees, correspondence, vital records, education records, military records, a diary from World War I, business records for the Hungarian wine merchants Dalchow & Löwy, emigration records, extensive clippings on Anti-Semitism, limited pieces of ephemera, a few photographs, one negative, and a play script.

This collection is comprised mainly of typescript drafts of a collection of correspondence between Kolmar and Hilde Wenzel, along with some original and photocopied correspondence and family documents.

The Herbert Bloch Collection contains the personal papers of the classicist and medievalist Herbert Bloch, a Harvard professor. Prominent is correspondence between himself and his family, which mentions not only family news and the deaths, deportations, and experiences of family members but also references his own research, writing, and teaching. In addition to family correspondence is correspondence with colleagues and friends, former neighbors, and legal and financial correspondence. Other papers in the collection include poetry, educational certificates and diplomas, material relating to Herbert Bloch's academic career, family trees, obituaries, and photographs.

The Hilde Wenzel Collection relates to both this author's personal and professional lives. It includes many samples of her published short stories as well as one unpublished work, parental letters to her, and notes and notebooks, among them several dream journals.

This collection documents Helmuth Lasker's genealogical research project on the origins of his family. In addition to drafts of Lasker's genealogical manuscript, there is extensive correspondence, as well as some family, personal, and vital papers.

Letters from Ludwig Mai to his wife Flora in Paris, while being confined in the Berlin prison Plötzensee in 1942. The letters reflect on life in Plötzensee, as well as on the lives of a small community of Jewish professionals who sought refuge in Paris after 1935. Some letters are written on prison stationery.

Collection of personal documents of Ursula and Ilse Nachtlicht such as certificates, correspondence, photos, clippings, notebooks.

The bulk of the correspondence is from Hugo Riegner in Berlin-Charlottenburg (Germany) to his son, Otto-Ernst Riegner in Philadelphia.