The collection contains 181 letters and 29 photographs. It consists mainly of family correspondence, primarily of letters from Robert Weltsch to his sister Lise [Elisabeth] Weltsch mostly from the years 1909 to 1919.

The collection contains various material pertaining to the Rosin family and comprises 12 folders.

This collection's diary, personal dedications, correspondence, newspaper clippings, and photographs pertain to the legacy of Robert Weltsch, an eminent journalist, editor, and Zionist. The collection also documents the lives of Robert Weltsch’s family members including his wife Martha and their children, Ruben and Shoshanah, and the implications of their Jewish heritage on their choice to emigrate to Palestine amid the rise of Nazi Germany.

The Rudolph Seiden Collection describes the life and work of Rudolph Seiden, who was a chemist and a Zionist activist. Included in this collection is personal and editorial correspondence regarding Judaism, Zionism, anti-Semitism and the proposed Jewish resettlement in Alaska in the 1930s. Unpublished manuscripts collected by Rudolph Seiden for the Foreign Authors’ Syndicate can be found in this collection as well as autographs from Max Brod, Lujo Brentano, Franz Oppenheimer, Erich Muehsam, Arthur Schnitzler and Otto Warburg.

The Ruth Gay Collection consists of Ruth Gay’s research material for her book The Jews of Germany: A Historical Portrait and includes numerous copies of the documents from the 1930s, photographs and illustrations used in the book and audio tapes with 11 interviews with German Jews living in Israel.

The first folder contains a two part typescript by Salomon Samuel, a reflection on the period of Jewish emancipation (5600-5700, i.e. circa 1840 to 1938) titled "5600-5700. Rueckblick auf ein Jahrhundert juedischer Weltenaera". In the first part (27 pp.) Samuel describes the historical events from the so called "Damascus affair" (1840) to the Évian Conference (1938), in the second part titled "Religioese und geistesgeschichtliche Entwicklung" (179 pp.) the Jewish religious and intellectual developments in the Era of emancipation.

The second folder contains a photocopied typescript titled "Einfuehrung", the introduction to Samuel's "Ein Lehrbuch juedischer Religion" (published in 1930) and a biographical article by Samuel's son Jochanan Samuel (1901-1976) titled "Rabbiner Dr. Salomon Samuel" published in: Muenster am Hellweg. 6/9 (June, 1978). pp. 81-88.

The collection contains various ephemera pertaining to the 20th century history of Jews in Germany and German Jews in Israel, including stamps, letters and postcards, cirulars and leaflets, and membership cards.

Correspondence with Yitzhak Dov Berkowitz, Alter Druyanov, Simon Dubnow, Jacob Glatstein, Yizhak Grunbaum, Vladimir Jabotinsky, Shmuel Niger, Joseph Opatoshu, Morris Winchevsky. Manuscripts of articles by Rosenfeld and of his doctoral dissertation, Die Philosophie Krochmals als Hegelianer (The Philosophy of Krochmal as Hegelian).

The collection contains the papers of Shalom Schwarzbard (1886-1938), the Russian-born French Jewish watchmaker, revolutionary, writer and activist for Jewish self-defense. In May 1926 in Paris, Schwarzbard assassinated the exiled Ukrainian nationalist leader Simon Petlyura, whom he held responsible for the pogroms against the Jews in the Ukraine in 1918-1921. His trial in October 1927, at which he was acquitted, drew worldwide attention. The collection consists of correspondence, manuscripts of Shalom Schwarzbard's autobiographical writings, personal documents, clippings, and printed ephemera, as well as poems by Schwarzbard's wife Anna and others. Materials in this collection mostly relate to Shalom Schwarzbard's writings, his speaking engagements following his acquittal, and his efforts in the 1930s to organize Jewish war veterans and war victims of the First World War.

The collection relates to the life of Jewish refugees, mostly of German and Austrian origin, in Shanghai primarily between the years 1939-1948. It covers many aspects of their experience, including political and cultural events, relief and charity activities, and self-help. The collection originated from the YIVO exhibition that was organized and displayed in 1947 in Shanghai and later in New York. The collection consists of manuscripts, minutes of meetings, correspondence, newspaper clippings, and printed materials.

The collection contains documentation of the Sonneborn family, particularly Leo Sonneborn and his wife Settie; Siegmund Sonneborn; as well as photographs of Line Speyer née Sonneborn’s family.

This collection consists of assorted types of financial records, some correspondence and a few photographs related to efforts to develop the infrastructure of Israel during the 1800s, the First and Second Aliyah periods, the time of the British Mandate, and the early years after the founding of the State of Israel.

Over 270 items include: voluntary Jewish organization monthly dues stamps and seals; synagogue and Kosher labels; Berlin Community Council membership booklets; Jewish sport club certificates; multilingual stamps of the Harand Movement ‘against race hatred and human misery’ (including an autographed postcard photo of founder Julie Harand); and a notable collection of Jewish Veterans Relief Stamps of World War l (RJF). Jewish merchants and banks are also represented in colorful advertising labels and seals. Also included are several Nazi anti-Semitic items and post-World War II depictions of restored synagogues destroyed by Nazis.

The Wiener Library in London is one of the world’s leading and most extensive archives on the Holocaust and Nazi era. Formed in 1933, the Library contains some of the earliest primary sources on National Socialism. The Library’s unique collection includes published and unpublished works, press cuttings, photographs and eyewitness testimony.

The Toni Stolper and Gustav Stolper Collection attests to the Stolpers' rich political and intellectual work in Germany and the United States. The materials provide an intimate account of Toni Stolper's life and career. In many respects, they complement the papers of her husband Gustav Stolper, which are located at the Bundesarchiv in Koblenz, Germany.

The Vilna Collection represents fragmentary materials that were part of the original YIVO Archives in Vilna before WWII. The collection includes a wide array of materials dealing with a great variety of aspects of Jewish life in the Pre-revolutionary Russian Empire and post-revolutionary Poland, Ukraine, Lithuania, and Soviet Russia. The Collection consists of personal correspondence, official correspondence with organizations and governmental institutions, financial and statistical reports, minutes of meetings of Jewish communal and political organizations, bibliographic materials, including card catalogues and bibliographies. Also included here are vital documents, such as birth certificates and birth registers, affidavits, certificates, diplomas, and travel documents. Additionally, there are petitions, resolutions, appeals, printed materials, manuscripts, lists, and questionnaires. There is a wealth of materials dealing with Jewish book trade and publishing, youth and sports organizations, education, Jewish communal life, and political activities.

The Youth Aliyah Records in the Hadassah Archives document Hadassah's work with multiple international organizations to rescue Jewish children from continental Europe to Palestine from 1933-1945. The collection also documents Hadassah's involvement with Youth Aliyah since 1946 in providing residential, educational, vocational, rehabilitative and therapeutic care for displaced and at-risk youth from around the world.