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 Joseph Buloff and Luba Kadison, leading actors of the Vilna Troupe and of the Yiddish and English stage, both in the United States and internationally. Most of the information concerns their theatrical careers, including play manuscripts, drawings and photographs of plays and actors, reviews, flyers, and musical scores. There is also some personal biographical information about Buloff, including his memoirs and audio cassettes of interviews. These materials show the importance and influence of Buloff and Kadison for Yiddish and English theater for over sixty years.

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 He collected a great number of historical documents on this topic, including hundreds of eyewitness accounts, which make up an important part of this collection.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.

Papers of Julius (Yudl) Levitt, including photographs, albums, and clippings relating to his leadership and involvement with the Forverts and Workmen’s Circle (Abraham Liessen Branch #644) in Los Angeles. Also included is correspondence with contemporaneous Yiddish world leaders such as Abraham Cahan and David Dubinsky. Family photographs include portraits as well as photographs of Levitt’s family with Socialist Party of American leader Norman Thomas.

Leah Carey (1907-2004) was a performer in Yiddish theater and made appearances at Boston's Grand Opera House, Shawmut Theater, and Franklin Park Theater. She became a regular on Boston Jewish radio for 25 years and appeared in Woody Allen's film Radio Days. This collection contains photos, posters, and notices from Leah Post Carey's career, and similar ephemera from David Carey, Leah's son. There is also Yiddish sheet music from 1920s to 1970s and manuscript arrangements.

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.

This collection contains material on the life of Leon (Lazar) Ajces, a soldier in the Polish People's Army and Red Army who ultimately immigrated to the United States, where he lived in New York and worked as a businessman. The collection contains personal papers, especially relating to Ajces's army service; family photographs and military photographs; and military medals. It also contains a copy of a biography of Ajces by Natalie Green Giles, Songa's Story: How A Shtetl Jew Found the American Dream.

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 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.

Maunscripts of Yiddish songs performed by Epelbaum (containing censor's stamps); typescripts, in Russian translation, of lyrics of Yiddish songs.

This collection includes manuscripts and publications of Ukrainian poet Papers of Mishe (Michailo) Mogilevich, along with general material on Ukrainian poetry.

The collection contains the papers of Nachman Blumental (1902-1983), a Polish-Jewish historian, scholar, and philologist, who after surviving the Holocaust in a non-German occupied part of the Soviet Union travelled around Poland collecting documents and materials related to ghettos, camps, sites of mass murder, and Holocaust survivors. These materials include, among others, survivor testimonies, witness accounts, original Nazi administrative documents, songs, poems, jokes, parodies, folklore, and children’s schoolwork written during the war, oftentimes in camps and ghettos, as well as Blumental’s extensive notes on Nazi terminology and distinct terminology used by Jews in camps and ghettos. The collection consists of correspondence, published and unpublished articles by Nachman Blumental and other individuals, newspaper clippings, research notes, Nazi documents, and dictionary and bibliography note cards.

This collection consists of Naftali Herz Kon's personal and official documents, personal correspondence, and correspondence with literary editors and organizations, as well as manuscripts, typescripts, drafts, fragments, and notes for both literary work (prose and poetry) and historical and biographical essays and reports. The Kon papers confiscated by the Polish government in 1961 and reclaimed by Kon's daughters in 2013 make up the final portion of the collection, and include personal correspondence, published and unpublished poetry, and historical essays.

This collection contains papers of Nokhem Shtif, a Yiddish philologist, editor, literary historian, translator, and political activist, and one of the founders of the YIVO Institute in Vilna. The bulk of the materials pertains to Yiddish language, philology, and literature, as well as to the administration and activities of the Kiev-based Institute of Jewish Proletarian Culture, especially the Philological Section, which was directed by Shtif. The materials include manuscripts of Shtif's writings and speeches; correspondence; reports; meeting minutes; departmental planning documents and course programs/syllabi; materials related to Shtif's teaching of Yiddish stylistics courses; newspaper clippings; several manuscripts of articles and research works by other scholars; and notes, transcriptions, and other research materials, including memoirs related to the lexicographer Y. M. Lifshits.

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 historian and bibliographer Philip Friedman. These materials include correspondence with individuals and with organizations, newspaper clippings, subject files, manuscripts of works by Friedman and by others, and some of Friedman’s personal documents. These materials relate to Friedman’s work on the histories of various Jewish communities, particularly those in Poland, and his work gathering source documents about the Holocaust.

1. Unpublished typescript of novel Af der Podolyer Erd. 2. Manuscripts and typescripts of short novels and poems. 3. Typescripts of his poems translated into Russian by I. Mitelman. 4. Personal documents and his last letter from the front. 5. Notes from the Jewish Anti-Fascist Committee in Moscow, including one signed by David Hofshteyn 6. Photographs, including ones of Goldenberg with other writers, the editors of the Kharkov periodical Yunge Guardye, and of Alexander Lizen. 7. Postwar correspondence with publishers. 8. Typescripts of essays in Russian (about Goldenberg) by Aron Vergels, Aron Katznelson, Motl Grubian, and Isak Borisov.

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.

Born in Chashnik, Vitebsk Gubernya (now part of Belarus) on March 28, 1893, Vladmir Heifetz emigrated to the USA in 1922. He died on May 3, 1970 in the middle of a concert at the Suffolk Jewish Center in Deer Park, L.I. The papers include correspondence, manuscripts, and publications by Heifetz, and publications by other composers of art, folk, and liturgical music. There are also some choral arrangements, song compilations, programs of concerts, and photographs. The collection contains both published and unpublished works, by Heifetz and by others. The bulk of the collection is devoted to his career and activities in the USA, with a few materials pertaining to his activities in Russia.

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.

Typescript, in Yiddish, "Yiddish Proverbs and Aphorisms" recalled by Kaufman and other individuals. There are approximately 4,000 entries. Typescript of Kaufman's study, in Russian, "Jewish Tendencies in Old-Russian Literature," 55 pages.

Zemach Shabad Collection documents Dr. Shabad’s career as a physician in Vilna (Vilnius) and to a smaller extent his involvement in Vilna’s (Vilnius) civil and communal lives. The collection consists of medical records, correspondence, reports, minutes, financial records, travel documents, and conference materials.

Letters from Y.A. Litsky, David Berginkopf, P. Novick, William Abrams, David Bergelson (to Ber Orshansky) and others; autobiographical writings; letters to the Soviet Communist Party; personal documents (with photo); manuscripts of plays and short stories; autobiographical manuscripts of Jewish Communists from various countries.

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.

Papers of Rabbi Pinchas Mordechai Teitz (1908-1995) cover the period from the late 1960s to the early 1980s and document his activities related to Soviet Jews. The collection contains correspondence, related to Soviet Jews, documentation of Rabbi Teitz’ trips to the USSR, his articles on Soviet Jews, the Russian-Hebrew religious books published for Russian-speaking Jews by the enterprise MOHIR ( established by Teitz) records of shipments of books and religious items to the Soviet Union, a sound recording reflecting the visit of the Chief Rabbi of Moscow to the USA in 1968, and photographs related to Rabbi Teitz Soviet Jewry activities in the USA and the USSR. The documents include articles, correspondence, notes, prayer books, publications, news clippings, a trip report, photographs and a vinyl record.