This collection documents the life of pharmacist and entrepreneur Arthur Abelmann. It contains materials about his personal and professional life, including his service in World War I. The bulk of the material concerns Chemiewerk, the pharmaceutical firm he founded in 1920 and cultivated for 13 years. In 1933, Abelmann was forced to resign his leading position and then to sell the company in one of the earliest cases of "Aryanization."

The collection contains Bernard G. Richards personal and official correspondence, papers from his involvement with the American Jewish Congress and Jewish Information Bureau, published and unpublished writings, publications collected by Richards, articles about Richards and his activities, correspondence and articles from testimonial dinners in honor of Richards, and photographs. Significant correspondents include Joseph Barondess, Louis D. Brandeis, Vladimir Jabotinsky, J.L. Magnes, Louis Marshall, Franklin D. Roosevelt, Jacob H. Schiff, Philip Slomovitz, Arthur Hays Sulzberger, Morris Winchovsky, and Stephen S. Wise.

The papers consist of correspondence and reports of Cecelia Razovsky (married name: Davidson), noted social worker specializing in immigration and resettlement of refugees. The collection includes information about her work with the National Council of Jewish Women in the 1920s, and with the National Refugee Service (and predecessor organizations) in the 1930s. Information is included about her work as a Resettlement Supervisor in the post-World War II Displaced Persons camps in Europe, and as a field worker in the southwestern U.S. for the United Service for New Americans in 1950. The collection contains reports and correspondence from her trips to South America, primarily Brazil, to explore possibilities of refugee settlement in 1937 and 1946; as a representative for United HIAS Service to aid in settling Egyptian and Hungarian refugees in 1957-1958; and as a pleasure trip and evaluation of the changes in the Jewish community of the country in 1963. Also included in the collection are many of Razovsky's articles, plays, and pamphlets.

The Leo Baeck Family Collection documents the lives and influential events of members of the Baeck and Berlak families, specifically Leo Baeck, Ruth and Hermann Berlak, and Marianne and A. Stanley Dreyfus. Most prominent is the documentation on Leo Baeck's life; other salient themes include the World War I experience of Hermann Berlak and the Dreyfuses' involvement in preserving the memory of Leo Baeck's life and teachings. The collection includes extensive correspondence; a large accumulation of articles, especially those focused on Leo Baeck; a smaller amount of personal papers, manuscripts, drafts and notes; and a few photographs and slides.

The collection contains papers of the American Soviet Jewry movement activist Linda Rutta. The materials focus on her activism as an undergraduate student at City College of New York, and her relations with the family of the Soviet Jewish Refusenik, Victor Ozar. The collection includes materials from the Student Struggle for Soviet Jewry (SSSJ), such as a Soviet Jewry fact sheet, college campus action outline, and correspondence with SSSJ regarding Soviet Jewish Prisoners of Conscience. Also included is Rutta's correspondence with the Ozar family.

The collection includes memoirs, poems, notes, correspondence, photographs and clippings pertaining to Miriam Merzbacher-Blumenthal, to her husband Peter and to her mother Ilse Blumenthal-Weiss.'Materials concentrate on the 1940s, when Miriam Merzbacher-Blumenthal and her mother Ilse Blumenthal-Weiss lived in Amsterdam and New York, as well as on correspondence from the 1950s and 1960s.

The Nadelmann and Wolff Families Collection provides documentation about members of the Nadelmann, Wolff, Lewinsohn, and Kann families, including details on their professions, early lives, the towns from which family members derived, and including details on the emigration and deportation of family members. The collection consists of family correspondence, photographs, genealogical research, and research on family members' hometowns.

Raphael Lemkin, an international lawyer, initiated the use of the term "genocide," and succeeded in persuading the United Nations to adopt the Genocide Convention in 1948. Documents include personal correspondence and artifacts; correspondence, documentation, clippings, and articles regarding the United Nations adoption of the Convention on the Prevention and Punishment on the Crime of Genocide treaty; and source material for the unfinished manuscript, History of Genocide. Collection also includes photographs, identity cards, articles, papers, essays, clippings, magazines, research materials, term papers, posters, United Nations materials, and microfilm.

The records chronicle the ideology behind the Reconstructionist movement, the founding and activities of the Jewish Reconstructionist Foundation, and its growth and transformation from an ideology and movement into an established American Jewish denomination, Reconstructionist Judaism. The records also document two seminal figures in Reconstructionist Judaism, Mordecai Menahem Kaplan and Ira Eisenstein. Included in the collection are the administrative records of the Foundation (minutes, financial records, bylaws), publications produced by the Foundation including manuscript submissions for the influential publication The Reconstructionist, correspondence, sermons, prayer books produced by the Foundation, syllabi, sheet music, photographs, and speeches, among other material. In the correspondence are letters from Martin Buber, J. Edgar Hoover, and Albert Schweitzer.

This collection documents the life and activities of dancer and activist Ronya Schwaab. The collection contains material related to her activities advocating for Soviet Jews, lecturing on various topics, her trips abroad, and writing reviews for numerous books. It also includes correspondence with family, friends, and various officials in both the public and non-profit spheres of politics and business. The collection contains numerous photographs and certificates that further document her activities and accomplishments.

This collection contains the papers of Sallyann Amdur Sack, “The Godmother” of Jewish Genealogy. In 1980, Sack founded the Jewish Genealogy Society of Greater Washington (JGSGW); in 1984, she organized the First International Seminar on Jewish Genealogy in Jerusalem, Israel; and in 1985, she co-founded AVOTAYNU: The International Review of Jewish Genealogy, known as “The Voice” of Jewish Genealogy research. These papers chronicle Dr. Sack’s groundbreaking work, which ranges from the early 1980s through 2007. The collection contains correspondence, conference and seminar materials, planning and research papers, as well as photographs and audio/visual material.

The Territorial Collection, Poland 2 is comprised of documents that were amassed at the YIVO in New York City. The collection is of mixed provenance and is fragmentary in nature, consisting of miscellaneous materials dating back to World War II and its immediate aftermath. The Territorial Collection Poland 2 is a portion of the greater Territorial Collection (RG 116), which incorporates materials that are relevant to over 42 different countries and geographical regions. The overarching theme of the collection Poland 2 is the annihilation of the Jewish life in Poland under the Nazi rule. Chronologically, the Territorial Collection Poland 2 follows the Territorial Collection Poland 1, which pertains to pre-World War II Poland; and precedes the Territorial Collection Poland 3, which pertains to post-World War II Poland.

Contains the surviving papers of Rabbi Tobias Geffen who served as a rabbi in New York City (1904-1907), Canton, Ohio (1907-1910), and Atlanta, Georgia (1910-1970). Includes extensive correspondence with members of his family, autobiographies in Yiddish and English (several versions) and other material relating to his personal life.