This collection centers on Arthur Kahn's experiences during the First World War and his time as a prisoner of war in Siberia from 1915 until 1920 where he became the instructor of the sports club Maccabi Irkutsk.

The Elias Tcherikower Collection documents the professional and personal life of Elias Tcherikower, a scholar, communal activist, and one of the founders of the YIVO Institute for Jewish Research, and to a smaller extent personal life of his wife, Riva Tcherikower, née Teplitski. Collected here are Tcherikower’s writings, professional and personal correspondence, photographs, manuscripts by other scholars, research materials, printed materials, financial documents, conference and exhibit materials, minutes of meetings, bibliographic materials and personal materials of Riva Tcherikower, née Teplitski, and Chaim Tcherikower.

This collection holds the papers of the lawyer and librarian Hugo Knoepfmacher. The main subject of the collection is his personal and professional life, although material concerning other members of the family is also present. The collection consists of official documents, notes, correspondence, manuscripts, some clippings, and a very small amount of published material.

Joseph Bornstein was one of the most accomplished journalists of Weimar Germany. His criticism of the political and social conditions in Germany in general, and of the practices of German justices in particular, made him a strong opponent of the right wing and populist parties long before the Nazis took power in Germany in 1933. Immediately after takeover, Joseph Bornstein left Germany and settled in France where he worked for various German exile newspapers. After the war broke out, he left France and managed to emigrate to the United States where he worked for the Office of War Information. After the Second World War he became a literary agent and writer of non-fiction books. The material in the Joseph Bornstein collection contains material from the post-war period of his life until his death in 1952. It consists of manuscripts, research notes, and professional and personal correspondence. An important part of this collection is material related to Joseph Roth that contains some of his notes, his poems, and correspondence with some of his friends and publishing houses.

Joseph Roth was one of the most prominent Austrian writers of the first half of the 20th century. Particularly his novels and newspaper essays gained him the respect of contemporary critics. Joseph Roth's papers at the Leo Baeck Institute Archives consist of handwritten and typewritten manuscripts of novels, novellas, short stories, and essays, including mostly complete manuscripts of his works Die Hundert Tage (The Ballad of the Hundred Days), Büste des Kaisers (The Bust of the Emperor), and his 'Trozki' novel Der stumme Prophet (The Silent Prophet). Joseph Roth's journalistic work is also well represented. There are a few personal items and over one hundred photographs of Joseph Roth and his wife Friederike. The Joseph Roth collection also contains correspondence with family and publishers, clippings about Joseph Roth, and reviews of his work. The addenda mostly consist of invitations to conferences and exhibitions, and scholarly articles on Joseph Roth's work and life.

The Max Buxpan Collection sketches the biography of Max Buxpan and his family. The collection centers on the correspondence of Buxpan family members and associated friends. Most of these documents date from the 1930s until the 1960s, including the time of immigration. Buxpan also collected a lot of material about the First and Second World Wars and the immediate periods thereafter, primarily postcards and newspaper articles.

This collection contains manuscripts of some of the earliest Yiddish plays, correspondence between playwright, poet, and director Abraham Goldfaden, the father of Yiddish theater, and various actors and writers, as well as some family correspondence, newspaper clippings on Goldfaden and his impact on Yiddish theater, articles by Goldfaden on a variety of topics, and various other theater materials, such as title pages of plays, programs and song sheets. The collection illustrates Goldfaden’s great and ongoing influence on Yiddish theater.

This collection contains the personal and professional papers of Abraham Liessin, including correspondence with many important literary figures, manuscripts of essays and poems by Liessin from Di Tsukunft(The Future) and from his published works, clippings, receipts, invitations, and other materials relating to Liessin’s family. This collection shows how Di Tsukunft became one of the leading Yiddish literary journsl during hte 25 years of Liessin's editorship.

This collection contains correspondence between Chaim Zhitlowsky and many important political figures and organizations, as well as manuscripts and other writings, some written by Zhitlowsky and some written by others. There are also notes and other materials from speeches and lectures that Zhitlowsky gave, financial documents, articles written about Zhitlowsky, newspaper clippings of articles by Zhitlowsky, materials from celebrations held in Zhitlowsky’s honor, photographs, excerpts from his works, and various other assorted items. These materials serve to illustrate both Zhitlowsky’s importance in the Yiddish and Russian literary field and his deep involvement in the American and Russian-Jewish Socialist, Territorialist and Diaspora Nationalism movements.

The Grigori Gurevitch Papers consist of materials pertaining to his involvement with the revolutionary movement in the Russian Empire and abroad. The bulk of the collection consists of Gurevitch’s manuscripts on politics, history of Kiev, anti-Semitism, Russian political immigrants, and Jewish revolutionaries, notes, and drafts and also includes correspondence, small amount of clippings, receipts, two petitions, and a photograph

This collection contains documents relating to Isaac A. Hourwich’s role as an economist, publicist, statistician, lawyer, author, and authority on immigration, as well as his involvement with the labor movement and the formation of the American Jewish Congress. There are reports, minutes of meetings, memoranda, clippings and correspondence, and manuscripts and articles about Jewish labor, Socialism, Russia, Marxism, immigration, and other subjects. These materials demonstrate Hourwich’s important role in American labor, immigration theory, and political and economic theory.

This collection contains the personal and professional papers of Yiddish journalist, poet, novelist, and translator Leon Feinberg. These materials include correspondence with Yiddish literary figures and with organizations, newspaper clippings about writers and about Leon Feinberg and his works, subject files, manuscripts of works by Feinberg and by other writers, and some of Feinberg’s personal documents. These materials relate to Feinberg’s long career with various Russian and Yiddish periodicals and literary organizations.

The Marc Ratner Papers consist of materials pertaining to Marc Ratner's political activities as one of the leaders of the SERP (Sotsialisticheskaya Yevreyskaya Rabochaya Partiia, Jewish Socialist Workers' Party, Rus: Социалистическая еврейская рабочая партия) which was a left leaning Zionist revolutionary party. The collection consists of correspondence, circular letters, clippings, minutes of meetings, essays, manuscripts, political resolutions and statements. The bulk of the collection consists of correspondence between party members, minutes of meetings and manuscripts.

Maxim Vinawer Papers consist of materials pertaining to Maxim Vinawer’s activities as a political and a communal leader. The collection covers the period between 1915 and 1926. These materials illuminate Vinawer’s participation in Russian politics as one of the leaders of the liberal Constitutional Democratic Party (Kadets), his appointment as a Minister of Foreign Affairs for the Crimean Regional Government in 1919, and his activities as a prominent figure among Zionist and émigré groups in Paris. The collection consists of correspondence, circular letters, memoranda, bulletins, clippings, minutes of meetings, essays, manuscripts, drafts and notes

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 Records of the YIVO Ethnographic Committee is a sub-group of Record Group 1, Records of YIVO - Vilna. The activities of the Ethnographic Committee consisted of collecting folklore materials, preparing and analyzing folklore questionnaires, corresponding with folklore collectors throughout the world, and maintaining a museum. This collection also includes surviving fragments of the collections of the S. Ansky Jewish Historical and Ethnographic Society which was active in Vilna from 1920 until 1940, and of Invayskult, also known as the Jewish Bureau of the Belorussian Academy of Science in Minsk (founded in 1925 and dissolved in the 1930s). Record Group 1.2 includes both administrative files of the aforementioned institutions and folklore and historical materials, which were gathered in these institutions' archives.

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 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.