The collection contains certificates and correspondence documenting Wilhel Salomon Freund's career as a lawyer, as well as documents pertaining to the family of his wife Clara Freund née Immerwahr.

This collection contains the papers of William and Charlotte Engel Levison and their family members. It largely documents the professional work of William Levison, the personal correspondence and interests of Charlotte Engel Levison, and the family history of both the Levison and Engel families, including papers of family ancestors. Among the papers of this collection are official papers, correspondence, poetry books, diaries, memoir material, military and professional papers, notes, and clippings.

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.

Rabbi William F. Rosenblum was head rabbi of the reform congregation at Temple Israel in New York City, 1930-1963. He was also an active leader in a number of Jewish social welfare and religious organizations. In addition to broadly documenting his rabbinical career and organizational activities, the William F. Rosenblum Papers reflect Rosenblum's interests in military chaplaincy, relations between Catholicism and Judaism, the media, race relations, post-WWII Europe, and the Vietnam War. Materials include correspondence, scrapbooks, sermons, speeches, notes, radio transcripts, clippings, photographs, audiotapes, and film.

Dr. William G. Niederland (1904-1993) was a renowned psychiatrist who immigrated to the United States in 1940 via Italy and the Philippines. While he was a psychiatric expert for German indemnification trials of survivors of the Holocaust, Niederland became an advocate of the survivors' claims and an empathetic researcher of their psychic suffering. He engaged in scientific research on psychic sequelae in Holocaust survivors for more than four decades. Niederland is believed to have discovered the "Survivor Syndrome," as a psychiatric disease and condition. The William G. Niederland Collection contains manuscripts, lectures and published writings by Niederland (and others) as well as 165 court case files consisting of psychiatric opinions, correspondence and court decisions referring to individual indemnification cases. Also included are correspondence with his colleagues and material related to his various research projects.

Personal documents of William Graetz, including military papers, and membership and identity cards. Records of ORT committees, minutes of executive committee meetings, correspondence and reports of the activities of ORT branches during the years 1926-1970 in Argentina, Bessarabia, Bolivia, Brazil, France, Germany, Hungary, Lithuania, Poland, South Africa, Switzerland, and the USSR, also including letters from Leo Baeck. Records of the Jewish community of Berlin, in 1929 and 1930, including correspondence on juvenile care, financial reports, and meeting minutes. The following individuals are mentioned in this collection: Graetz, William; Baeck, Leo; Syngalowski, Aron; Lvovitch, David; Frumkin, Jacob; Sadler, Ilse.

William (Wilhelm) Nussbaum was a Jewish race scientist who ran an organization, Die Arbeitsgemeinschaft für jüdische Erbforschung und Eugenik/Erbpflege, between the years 1933 and 1935. He racially examined over 1100 German Jews seeking both information about the Jewish "race," and validating Jews as racially being a European people. Material in the collection includes articles and manuscripts authored by Nussbaum regarding Jewish race history and research, articles and writings by other authors about the Jewish race, and information forms recording the statistical results of anthropologically examined Jewish individuals and groups.

This collection contains the papers of banker William Strauss. It includes his correspondence, a large amount of newspaper clippings, family trees, and research material pertaining to the Mendelssohn banking house.

William Stricker was an Austrian Jewish journalist who worked for radio stations and the newspaper. He covered World War II and in particular, the Nuremberg Trials. He was also the leader of the oldest Jewish student fraternity, Kadimah located in Vienna, Austria. In 1939, he moved to the United States together with his wife Jenny Stricker (neé Becher).

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.

The collection contains documents pertaining to the Willy May, Salomon Kahn, Herz Levi, and Auerbach-Ehrlich families. Included are documents pertaining to Willy May's work as a butcher, his service in World War I, and the civilian war work of May and his wife Martha May née Levi during World War II; documents pertaining to the military service of Salomon Kahn and Julius Kahn; documents pertaining to work the as butchers of Levi Levi II and his son Hermann Levi, as well as genealogy of their family in Griesheim; and family tree of the Auerbach-Ehrlich family from 1600 to the early 20th century, including birth and death dates and locations.

The collection documents Willy Nordwind’s efforts to bring as many German Jews as possible out of Germany before World War II. Included here is correspondence with those who had arrived or those whom Willy Nordwind was still trying to bring over.

The papers of this collection document Willy Tonn's life, and a large amount of the collection focuses on his time spent in Shanghai. Documents include personal and business papers, correspondence, numerous typescripts, and newspaper clippings. Many of the typescripts discuss topics related to Far Eastern culture; others discuss Jewish culture or religion, Indian culture, and Greek history. The collection also includes publications containing articles by Tonn.

The bulk of the collection consists of correspondence relating to his efforts as a committee chairman for tree-planting efforts in Israel. Other materials concern his genealogy and his memoirs.

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).

The collection holds the documents and correspondence of the Wimpfheimer family from Karlsruhe. The collection covers the Wimpfheimers’ emigration to Switzerland and later the United States as well as their restitution efforts regarding the family’s malting factory in Karlsruhe.

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.

The Lieberman Windner Family Collection holds papers and correspondence of Marianne Lieberman and her ancestors as well as photographs. Prominent topics are the art of Marianne Lieberman and the murder of Hedwig Windner under the Nazi euthanasia program. The collection comprises official documents and personal and official correspondence.

The Wladimir G. Eliasberg Collection documents the lives of the members of the Eliasberg family and to a lesser extent professional activities of Wladimir Eliasberg. The collection consists of personal correspondence, writings, vital and professional documents, and printed materials.

This collection contains family trees of Wolf and Landauer families, as well as various address books and customer lists dating to the turn of the twentieth century, pertaining to the textile firm W. Wolf & Söhne, active both in Stuttgart and in Boston, Massachusetts.

Family tree with drawings and a Latin document

The file contains various materials pertaining to the artist Wolf Hamburger.

The donated corporate records include advertisements and some business records, (1926-1934/35). There is a particularly rich collection of industrial photographs of the major plants (ca. 120 photographs). Box II complements the corporate material with scattered records of members of the Jacobi family as well as genealogical material on the Netter family.

The Wolf-Oppenheimer Collection provides details on the lives, both personal and professional of more than three generations of members of the related Wolf and Oppenheimer families. Most prominently represented among the collection's papers are Hermann and Irene (née Oppenheimer) Wolf and their daughter Marlies (née Wolf) and Eugene Plotnik, but the papers relate to many other family members as well. The collection includes personal papers, official and educational documents, family correspondence, photographs, family trees, articles as well as personal family writing, and newspaper clippings.

Manuscripts, vital documents, correspondence, heraldry, and genealogical materials pertaining to Wolf Popper and his family, emphasizing Wolf Popper’s studies at the Hawtreys Preparatory School in England and to the family’s ennobled heritage. Also included is a manuscript about the mezzo-soprano Mathilde Marchesi, née Graumann (March 24, 1821 – November 17, 1913), who made her name as a singing teacher in Vienna, Paris and other European conservatories.

The collection is primarily made up of photographs from circa 1930s-1950s of family, friends, and colleagues of the set designer Wolfgang Roth.

This collection contains a few childhood memoirs of Wolfgang Wassermann, as well as some of his father's, the lawyer Gustav Wassermann's, diplomas and educational papers.

This collection contains a original documents dating back to the 19th century, clippings and articles, correspondence, programs, pamphlets, photographs and pieces of writing relating to the Jewish community and synagogue of Worms.

The collection contains personal papers and belongings, photographs, and genealogical information regarding the Wormser family. To a large extent, the collection concerns the descendants of Heumann and Jette Wormser’s son Sigmund Wormser and his wife Fransika Wormser as well as their respective families.