This collection consists of photographs and negatives of World ORT conferences and congresses, various individuals connected with ORT, and ORT vocational programs and activities, including in Displaced Person’s camps, in Europe, Asia, the Middle East, Africa, Cuba, and North and South America.

This collection contains correspondence between Abraham Cahan and many important literary and political figures, as well as Yiddish manuscripts sent to Cahan for consideration in the Forward and notes and drafts of Cahan’s own writings. There are also several articles written about Cahan, before and after his death. These materials serve to illustrate both Cahan’s importance in the literary and publishing fields as well as his involvement in the American socialist and labor movements.

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.

This collection contains documents relating to David Pinski’s role as a Yiddish writer, playwright, essayist, translator, editor, literary critic, and author of novels, plays, short stories, essays, and poems. There is personal and professional correspondence, manuscripts of novels, plays, poems, essays, and articles, translations of Pinski’s works into English and Russian, lectures made on various occasions, personal documents and photographs, programs, notes, and newspaper clippings. These materials demonstrate Pinski’s important role in Yiddish drama and literature, Jewish community life and Yiddish cultural institutions.

This collection contains correspondence between Horace M. Kallen and many important individuals and organizations, as well as manuscripts, notes and other materials for speeches, financial documents, research materials, academic records, and various other assorted items. These materials serve to illustrate Kallen’s important role in philosophy, education, religion, and politics and his deep involvement with consumer rights, environmental controls, Jewish issues, and civil liberties.

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 Isaac Nachman Steinberg, a Russian-Jewish political writer, leader of the Left Socialist Revolutionary Party during the 1917 revolution in Russia, People’s Commissar of Justice in the first Bolshevik government, leader of the Jewish Territorialist Movement and of the Freeland League for Jewish Territorial Colonization, and a founding member of the YIVO Institute in Vilna. These materials include Steinberg’s writings, personal correspondence, clippings, journals, meeting announcements, and some photographs. These materials relate mainly to Steinberg’s work with the Freeland League and plans for the large-scale settlement of Jews in various places around the world.

This collection contains the personal and professional papers of rabbi, Hebrew scholar, author, and editor Israel Elfenbein. These materials include correspondence with and relating to congregations, Hebrew periodicals, organizations, Elfenbein’s writings, personal correspondence, sermons, clippings, and manuscripts by Elfenbein and by other writers.

This collection contains correspondence between painter, poet, and essayist Jennings Yehudah Tofel and various artists and writers, as well as family correspondence, diaries, journals, manuscripts relating to Tofel’s artistic career, newspaper clippings on Tofel and his art, and manuscripts of Tofel’s essays, poems, dramas, and autobiographical works. The collection illustrates Tofel’s wide range of artistic and literary activities and his role in American modern art.

This collection contains the papers of Julian Hirszhaut, a Yiddish journalist and author of several works about the Holocaust in Poland. He collected a great number of historical documents on this topic, including hundreds of eyewitness accounts, which make up an important part of this collection. The materials in this collection relate to Hirszhaut’s important work gathering documents and testimonies of the Holocaust, as well as to his other professional activities as a journalist.

This collection contains correspondence between Mendel Osherowitch and many important literary and political figures, as well as Yiddish manuscripts by Osherowitch, clippings, photos, and obituaries and letters written to his family after his death. These materials illustrate Osherowitch’s importance in the Yiddish literary field as well as his role in various Jewish organizations.

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.

This collection contains the personal and professional papers of Shmuel Mordkhe Zygielbojm, a Jewish-Polish Socialist politician, Bund leader, member of the National Council of the Polish Government-in-Exile in London, and a labor and political leader. These materials include Zygielbojm’s writings, personal correspondence, clippings, and some photographs. These materials relate mainly to Zygielbojm’s work in London as well as the worldwide reactions after his suicide.

This collection contains the personal and professional papers of Shmuel Niger, including correspondence with many important literary figures, as well as manuscripts by Niger, writings about Niger written by others, Niger’s speeches and lectures, selections from his published writings, and biographical materials. These materials serve to illustrate Niger’s great importance to Yiddish literary criticism and Jewish historical writing as well as his role as a writer on contemporary themes, a teacher and lecturer, editor and communal leader.

This collection contains the personal and professional papers of William Edlin, editor of The Day and a prominent Socialist. It includes correspondence with individuals and with organizations, newspaper clippings, manuscripts of works by Edlin and by others as well as translations done by Edlin, and some of Edlin’s personal documents. These materials relate to Edlin’s involvement with The Day, with the Socialist Party, the Workmen’s Circle, various labor and Zionist organizations, literary clubs and activities, and with music, art and drama.

This collection contains the administrative records of the Hebrew Actors’ Union (HAU), the professional union of Yiddish theater performers, which was based in New York City. Materials include correspondence, membership materials, financial records and members’ dues information, meeting minutes, and a great deal of sheet music and play scripts of performances from the Yiddish theater. A majority of these performances were in New York City, but there are also materials from Philadelphia, Chicago, Boston, Toronto, and Montreal, as well as various locations in Israel and South America.