This collection contains the records of the Society for the History of Czechoslovak Jews, an organization founded in 1961, in New York City, by members of the Joseph Popper unit of B’nai B’rith, to foster and disseminate knowledge about the history and culture of Jews in the Czech and Slovak lands. Along with the Joseph Popper unit and, later, the Holocaust Survivors of Slovakia, the society sponsored an annual memorial service held in New York City to honor Czechoslovak Jews who perished in the Holocaust. A majority of the records are from the tenure of Rabbi Norman Patz as president (1994-2008). The materials primarily comprise correspondence, and items related to the annual memorial service, including texts of addresses, and yizkor memorial booklets. Also included are meeting minutes, letters to the membership, financial reports, writings, speeches, obituaries, clippings, photographs, and printed ephemera. The society's correspondence reflects its participation in cultural events related to Czech and Slovak Jewish history, as well as its relationship to the Jewish communities in the Czech Republic and, to a lesser extent, Slovakia; some correspondence with members contains genealogical information.

This collection contains material on the related Kassel and Bruch (Bruck) families as well as on the immigration experiences of Fritz Kassel. Included among the collection are correspondence, manuscripts, clippings, notes, family trees, and a few publications.

The Carol Davidson Baird Papers contain documentation of her family history. The collection includes copies of photographs, certificates and letters of various family members since 1862. It also contains genealogical charts reaching back to the 15th century.

The Egon Fromm Family Collection documents the lives of members of the Fromm and Heumann families, with a focus on the families of Walter Fromm and Carola Heumann, the parents of Egon Fromm. Included is family correspondence that relates to the family's emigration and search for relatives after the war. Other papers include songs and speeches from family weddings, a friendship book, passports and genealogy research for both branches of the family.

This collection portrays the personal and professional life of the violinist Felix Freilich. It also provides information on his wife and the genealogy of their families. The collection contains correspondence, family trees, photographs, clippings, publications and music scores. Subjects found in this collection include the genealogy of the Freilich and Greenberg families, the professional life of Felix Freilich, and the city of Altenburg, Germany.

The Fred Cahnmann Family Collection documents portions of the lives of Fred Cahnmann and other Cahnmann family members. In addition it provides genealogical research on the Cahnmann and related families. The collection includes many family trees, correspondence, photographs, official documents, articles and newspaper clippings and research notes.

The collection includes materials related to the professional and personal life of the German-born businessman Fred W. Lessing, in the period following his immigration to the United States in 1942. Approximately half of the collection by extent comprises correspondence and documents pertaining to Lessing's restitution claims, including documentation related to the brickworks and brewery businesses of his father, Willy Lessing, and correspondence in the early postwar years with his father's former bookkeeper, Franz Bütterich, of Bamberg, who had served as a trustee for the firm under the Nazi regime from 1938 to 1943. Other materials relate to Fred Lessing's activities as a member of the board of the Leo Baeck Institute, New York, and as a member of the executive committee of the Wiener Library, London. Also included are materials concerning the history of the Jews of Bamberg, and postwar commemorative activities there; documents and notes pertaining to Lessing's family history; and a relatively small amount of personal correspondence and ephemera, including some pertaining to Lessing's receiving an honorary doctorate at Tel Aviv University.

The Gundersheimer Siegel Family Collection holds papers of the art historian and professor Hermann S. Gundersheimer as well as papers of members of the Gundersheimer and Siegel families. With a focus on the professional work of Hermann Gundersheimer and the family's emigration, the collection contains correspondence, newspaper clippings, lecture texts and notes, official documents, articles, certificates, genealogical research and family trees.

The bulk of the collection consists of published materials from the 1980s describing the former Jewish community in Krefeld and its fate during the Holocaust. Also included are genealogical tables of the extended Neuberg family.

The Heidecker and Schmitt Family Collection largely documents the emigration experiences of members of the Heidecker, Schmitt, and related families, especially of Ludolf and Ruth (née Schmitt) Heidecker. The failure of some family members in leaving Germany is portrayed in these papers as well. Other subjects include the families' histories, restitution for their losses in the Holocaust, and the postwar interests of Ludolf and Ruth Heidecker, among other subjects. The collection includes extensive correspondence and photographs, material relating to Ludolf Heidecker's role in soccer associations, cookbooks and recipes, family trees, newspaper clippings, official documents, and other personal papers.

Joseph Eaton (born Josef Wechsler) was an American sociologist at the University of Pittsburgh and a German-Jewish immigrant who arrived in the United States as a child in 1934. The collection primarily comprises correspondence, writings, clippings, ephemera, and photocopied archival materials related to Eaton's genealogical research in the Bavarian localities of Schwabach, Nuremberg, Fürth, and Theilheim (Waigolshausen), including materials pertaining to the history of the Jewish communities in those localities, as well as specifically to Eaton's own immediate family and his ancestors of the Wechsler, Rosenbaum, and Goldschmidt families. Included are materials related to Eaton's travels to those localities in the context of programs hosting former Jewish residents and commemorating the Holocaust and the German-Jewish communities that were destroyed. A small portion of the collection pertains to Eaton's scholarly interest in the experiences of Jewish communists in East German society, including transcripts and/or audio files of two interviews he conducted with Hermann Axen, a Jewish concentration camp survivor who from the 1970s until 1989 was a member of the Politburo of the ruling Socialist Unity Party.

This collection comprises documents of Marianne Steiner and her husband Paul Steiner. Material of the Esberg family, however, makes up the bulk of the collection, especially a large accumulation of family photographs. Furthermore, one can find material related to the Holocaust, i.e. a copy of the ‘Chronicle of the Esberg/ Meyerstein/ Pohly Families under the Holocaust’ and a series of original photographs taken in a concentration camp shortly after liberation.

The Max Markreich collection documents the life of Max Markreich and his family, especially their emigration from Bremen, Germany. The collection also centers on the history of the Jewish communities of Bremen and East Frisia (Ostfriesland). Included among the papers are manuscripts, correspondence, vital and government documents, clippings, and notes.

The Max Michelson Family Collection documents the life of a Latvian Jewish family living in Riga. The main subjects of the collection are correspondence between family members, who moved abroad and those who stayed in Riga and some family pictures. The collection consists of letters, genealogical information and photographs. Languages: The collection is in German, Russian and English.

The Paul Egon Cahn Collection holds personal and official papers of Paul Egon and Senta Ilse Cahn and their families, as well as about one thousand personal and family photographs.

The Rahn Family Collection centers on the lives of Alfred and Lilli (née Bechmann) Rahn, but also contains many documents of their parents, siblings, and even more distant family members. It also documents the family members' attempts to receive restitution for their losses. The collection includes a large amount of correspondence, official, personal, and legal documents, photographs and photo albums, financial documentation, manuscripts and fragments of creative and academic writing, family trees and genealogical notes, newspaper clippings, poetry, educational certificates and diplomas, texts of lectures, teaching materials, a few recipes, and other papers.

This collection contains documentation on the lives of members of the Sternheim, Isenberg and Osterberg families. Prominent topics include family members' experiences in Germany during the 1930s and 1940s, genealogy and the writing of Max Osterberg and Hans Sternheim. The collection includes correspondence, clippings, manuscripts, family trees, notebooks, financial papers and some photographs.

This collection contains the papers of Susanne (Susi) Friedmann-Kirsch (1926-), documenting her family’s history in Austria, Eastern Europe, and Israel, from the mid 1800s to the 2000s. The collection mostly holds vital documents and genealogical materials, including family trees, photographs, correspondence, family narratives, diaries, and other writings.

The Wilmersdoerffer/Wilmers Family collection pertains to the family of the twins John Geoffrey Wilmers (né Hans Max Wilmersdoerffer) and Marianne Gourary (née Wilmersdoerffer), who were born in Munich, Bavaria, Germany, in 1920, and eventually emigrated to England and the United States, respectively. The collection contains a small amount of family papers, three family trees, and a few secondary materials containing biographical information pertaining to family members. Families mentioned in the family trees (originating in Bavaria and, in part in Württemberg) include: Wilmersdoerffer (Wilmers); Oberndoerffer; Haymann; Schimmelburg; and Nauheim (Norland).