This collection contains documents of journalist and left-wing political activist Paul Novick, consisting mainly of correspondence, subject files, manuscripts, photographs, and newspaper clippings. These materials relate to Novick’s career as long-time editor of the Morning Freiheit (Morning Freedom), his important role in the worldwide Communist movement, the history of the Freiheit itself, and Jewish and general politics. These materials demonstrate Novick’s important, and changing, role in the history of Communism, as well as his career as a Yiddish journalist and author.

This collection contains manuscripts of plays, articles and other writings, correspondence, memoirs, photographs, theater programs, and personal materials of Yiddish playwright, novelist, journalist, travel writer, and theater director Peretz Hirschbein. The collection helps to illustrate Hirschbein’s importance and lasting impact upon the revival of Yiddish theater and literature in the early twentieth century.

The Perlmann Family Collection consists of papers of members of the Perlmann and related families, including the Spiero and Jolowicz families. It includes genealogy and biographies of these families and also of members of the related Lewald and Simson families. Some material on the city of Königsberg is also present. The collection consists of correspondence, genealogical research, family trees, biographies, articles, newspaper clippings, official documents, a few postcards and photographs, a memorial book and a few pamphlets.

Philip Cowen (1853-1943) was a Conservative Jew who grew up on the Lower East Side of Manhattan. Though he only studied for one year at the City College of New York, the literary-minded Cowen became the founder (with Rev. Dr. Frederic de Sola Mendes) and editor of the Conservative Jewish publication, the American Hebrew from its inception in 1879 until his resignation in 1906. In 1905, Cowen was appointed by President Theodore Roosevelt to the Ellis Island positions of Immigration Inspector on the Board of Special Inquiry, determining the fitness of émigrés to the United States, and later advanced to Inspector-In-Charge of the Division of Information for Employment and the Discharging and Information Division. In addition, Cowen was a member of the Young Men's Hebrew Association, was a founder of the The Judeans society, a secretary for B'nai B'rith, and published an autobiography entitled Memoirs of an American Jew (1932). Documents include writings and material on immigration, surveys of American leaders and intellectuals on Anti-Semitism, and background materials for articles written in the American Hebrew. The collection contains correspondence, articles, documents, official reports, telegrams, clippings, pamphlets, photographs, and handwritten notes.

The Baron de Hirsch Fund Records document the organization's involvement in the planning of agricultural communities across the United States and to some extent in South America; the founding and administrative dealings of agricultural and trade schools; the establishment of the Jewish Agricultural Society; and the business records of the Fund itself. In addition, the collection documents the protection offered to immigrants through port work, relief, temporary aid, promotion of suburban industrial enterprises and removal from urban centers through the Industrial Removal Office, land settlement, agricultural training, and trade and general education. In this respect, the collection is of major interest for Jewish genealogists as it documents a number of individual immigrants. In addition, the collection contains documentation on the administration and organization of the fund, documentation on Jewish farming colonies such as the Jewish Agricultural Society, Woodbine Colony and Agricultural School, and documentation on the Baron de Hirsch Trade School. In addition, the collection contains blueprints and photographs of facilities.

The Galveston immigration records document the attempt of the Jewish Immigrant Information Bureau, working in cooperation with several other Jewish organizations, to receive Jewish immgrants through the port of Galveston, Texas rather than New York City. The papers further describe the JIIB's efforts to resettle the immigrants in communities throughout the United States. Papers include ship passenger lists, correspondence, and statistical reports, as well as papers dealing with individual immigration cases.

Included here are YIVO materials discovered at the Wroblewski Library in Lithuania. Materials cover a wide range of topics that include Jewish education, Jewish communities, Jewish religious life, immigration, commerce, persecution, and other topics. The collection consists of correspondence, minutes of meetings, reports, decrees, proclamations, educational materials, certificates, vital documents including birth and death certificates, travel documents, and other.

This collection contains material by and about the family of German-Jewish physician Richard Koch, collected by his daughter Naomi Laqueur. In the 1930s Richard and Maria Koch and their five children left Germany for the Soviet Union, Israel, England, and the United States. The bulk of the collection consists of correspondence sent to Laqueur from her parents and her siblings. Spanning the 1930s to the 1970s, the letters paint a rich portrait of the differences in mid 20th-century life in the Soviet Union, Israel, England, and the United States. Additional correspondence includes letters from Laqueur’s friends and extended family, and correspondence between other family members. The collection also documents Richard Koch’s professional activities as a physician, and additionally contains some of his poems and portions of a memoir. It also has materials about friends and relatives, a collection of Alfred Koch’s love poems from the 1910s, and photographs.

This collection consists of materials gathered by Simon Dubnow, an influential political thinker, educator, writer, activist, and preeminent historian of Russian Jewry. The materials reflect central subjects of his historical research, such as communal organization, persecutions, and Hasidism, as well as pressing issues of his time, most significantly pogroms and the question of Jewish emancipation. Much of the material comprises information meticulously copied and sent to Dubnow by individuals throughout the Russian Empire for the purpose of aiding his research. The collection demonstrates Dubnow's importance in helping to establish the idea of Jewish ethnographic history.

The May Cohn Russia and Soviet Union Collection (Vilna Archives) includes materials dealing with a wide range of topics mostly pertaining to Jewish life in the Russian Empire and the Soviet Union and to a smaller extent to everyday life of ordinary Russian citizens. The collection consists of official government documents such as reports, decrees and regulations, circular letters, lists, vital records, Census records, residency and emigration permits. Also included here are manuscripts, correspondence, printed materials, petitions, announcements, posters, questionnaires, and minutes of meetings. Materials collected here shed light on the way Jewish religious and civil life was administered in the Russian Empire and the Soviet Union.

The Weinberg Oppenheimer Family Collection contains the papers of these families, with documentation primarily about Zacharias Oppenheimer, Leopold Oppenheimer, and Hermann and Bella (née Oppenheimer) Weinberg. The collection centers on the Weinberg family members' emigration to America as well as Leopold Oppenheimer and Hermann Weinberg's time in World War I. The collection includes many family and wartime photographs and a photo album of Leopold Oppenheimer's fraternity brothers, official documents and other papers used in the Weinbergs' emigration, family and emigration correspondence, documents related to the death of Zacharias Oppenheimer, newspaper clippings, a few diary entries, and other papers.

The collection mainly comprises material related to Werner Hans Bloch's genealogical studies about his and Elsa Bloch's families. Also included are documents pertaining to Werner Hans and Elsa Bloch's family life, such as correspondence, photographs and official documents.

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.