This collection contains papers of Abraham Moshe Bernstein, a renowned cantor, choir master, composer of Jewish liturgical and secular music, music teacher, musicologist, writer, and translator. The bulk of the materials consists of Bernstein’s liturgical compositions and arrangements in both published and manuscript form, as well as a substantial collection of manuscripts and published works by various composers and arrangers. The materials include Hasidic folk songs and melodies, religious songs, Jewish hymns, popular songs, children’s songs, operettas, liturgical pieces, and musical exercises for students; choral volumes and partbooks; unidentified and fragmented musical manuscripts; manuscripts of Bernstein’s own writings; personal correspondence; a photo of Bernstein on his deathbed; secular and religious songs, Sabbath hymns, Hasidic folk songs and melodies, assembled by Bernstein for the S. Ansky Jewish Historical Ethnographic Society in Vilna.

Baron Horace (Naftali Herz) de Gunzburg Collection consists of diverse materials that pertain to the state of Jews in the Russian Empire in the second half of the 19th century and to the philanthropic activities of Horace and Joseph Gunzburgs. Materials comprising the collection shed light on the Gunzburg family's involvement in improving Jewish education, civil rights movement, and their efforts to improve general well being of the Jews in the Russian Empire. Bulk of the collections consists of materials pertaining to the activities of the Hevrah Mefitsei Haskalah (Society for the Promotion of Culture Among the Jews of Russia, Rus. Обшество для Распространения Просвещения Между Евреями в России) and to the Committee for the Improvement of Daily Life of Jews in the North-West Region (Комиссия по Улучшению Повседневной Жизни Евреев в Северо-Западном Регионе)

This Collection consists primarily of English, German, Hebrew, and French language correspondence concerning Reform Judaism, Zionism; the founding of the American Jewish Historical Society; the Jewish Publication Society; B'nai B'rith; the legal position of Jews in England and the United States with particular reference to the Naturalization Acts; the religious and social life and the history of Jews in Russia and Poland; Bible readings in public schools; the study of Jesus in Jewish Sabbath Schools; anti-slavery issues in the Fremont Campaign in 1856; and other correspondence pertaining to his numerous activities.

This collection contains materials pertaining to the life and career of Boris Smolar, a journalist and editor-in-chief of the Jewish Telegraphic Agency and an author of children's books.

The Bruck-Jacobson Family Collection holds documentation of and genealogical research on this family as well as of members of the related Bruck and Flato families. The collection includes official papers, genealogical notes and family trees, personal and educational papers, receipts, paper currency, research notes, certificates, a handwritten cookbook and a handwritten housekeeping manual, a diary, photographs, and a sketch of a family residence.

The collection contains the records of the Foreign Committee of the Bund, a Jewish political party espousing socialist democratic ideology as well as cultural Yiddishism and Jewish national autonomism. While a Central Committee led the Bund in the Russian empire, outside of Russia the party was represented by its Foreign Committee, which was based in Geneva, Switzerland. During the period when the Bund had no legal status or was semi-legal in Russia, the Foreign Committee assumed many important organizational functions of the party apparatus.

This collection holds material related to Anna Perlmann, a German physician who worked in Israel at the Women’s Prison in Bethlehem, Israel; Edith Burian (née Muenz) from Austria who lived in a Kibbutz before immigrating to the U.S.; as well as material pertaining to family members and friends of Edith Burian. The collection includes correspondence, documents related to restitution payments, and photographs.

The Edna Ehrlich Collection: Personal Life, Professional Work and Music Interests is an extension of the Edna Ehrlich Papers (AR 25639). This collection includes material on the beginnings of the relationship of Edna and Otto Ehrlich prior to their marriage, on Edna Ehrlich’s friendships and personal life, and on her work as a promoter of Asian music in New York. It also includes a small amount of papers related to her professional work.

This collection documents the life of anarchist writer Erich Muehsam and his wife Kreszentia (Zenzl) Muehsam. It consists primarily of correspondence from Erich and Zenzl to family and friends, as well as some correspondence between others about them. The collection also contains a small selection of Muehsam's writings and poems, including some typescripts, a few personal items, photographs, and printed materials about Muehsam such as newspaper articles and exhibition catalogs.

The collection consists of family papers pertaining to a number of Jewish families from the Russian Empire, Austro-Hungarian Empire, Germany, and France. Included here are vital documents, personal, professional and financial correspondence, family trees, and financial documents

The collection contains the records of the Vilna branch of the Hevrah Mefitsei Haskalah, an educational and publishing organization, established in 1863 to propagate secular knowledge and acculturation into the Russian society among the Jews of the Pale of Settlement. The Vilna Branch was organized in 1909 to assist Jewish education in Vilna and vicinity. During World War I and after Vilna became a part of independent Poland, the organization continued to propagate secular education and maintain schools, libraries and teachers’ courses. The materials include minutes, correspondence, memoranda, programs, leaflets, announcements, and clippings.

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 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 Kurt Riezler Letters hold the correspondence of the diplomat Kurt Riezler with his fiancée Kaethe Liebermann as well as a few letters with other individuals, most notably her father, the painter Max Liebermann. Prominent in the correspondence is the discussion of the first months of World War I and the conditions in Moscow in 1918. Later letters consist of conversations with other family members.

The Lev Aizenberg Collection documents Lev Aizenberg’s professional activities as a lawyer in Saint Petersburg, Russian Empire at the beginning of the 20th century. Collected here are materials pertaining to a large number of cases involving Jews of Kursk and Kursk Guberniya (Province) and their attempts to fight eviction orders and subsequent relocation back to the Pale of Settlement

This collection consists of papers of the Loewen family, including Samuel Liepmann Loewen and Liepmann (Leopold) Loewen. It includes personal, business and official papers, correspondence, genealogy, a collection of wax seals, some newspaper clippings, art prints, and a few photographs.

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.

The Papers of Max J. Kohler (1871-1934) document his life's work as lawyer, historian, writer, researcher, and defender of Jewish and immigrant rights. Correspondents include many of Kohler's contemporaries in the field of history and immigration law including Cyrus Adler; William Taft; John Bassett Moore; Mortimer Schiff; David Hunter Miller; Baron and Baroness de Hirsch; the Straus Family including Oscar Straus; Luigi Luzzatti; Leon Huhner; and Julian Mack. Subjects include U.S. immigration law, American-Jewish history, Col. Alfred Dreyfus, Haym Salomon, Ellis Island, Rabbi Kaufmann Kohler, the publication God in Freedom, international treaties, and the Peace Conference of 1919.

Mizrakh Yidisher Historisher Arkhiv Collection consists of diverse materials that pertain to pogroms in the period between 1918 and 1921 that took place mostly in Ukraine but also in Belarus, Poland, and Russia. There is a wide variety of topics that are covered in the collection including Ukrainian-Jewish relations during a short lived Ukrainian Republic, Ukrainian-Jewish political, communal, and governmental organizations, Ukrainian government and the role of politicians and military Commanders in pogroms, most notably Symon Petlyura and Ataman Grigoriev, pogroms and its aftermath, military occupation of Ukraine by the German, Polish, Bolshevik and General Denikin’s armies and its relationship to pogroms, Jewish self-defense and relief work. Also included here are materials pertaining to the trial of Sholom Schwarzbard who was tried in France for assassination of Symon Petlyura. The collection consists of of large amount of lists and eyewitness testimonies, correspondence, complaints and petitions, reports and resolutions, statements and proclamations, memoranda and circular letters, conference materials, statues and by-laws, clippings and bulletins, military orders, and photographs.

Papers of Murray Levine, a rabbi at Temple Beth Sholom in Framingham, MA, worked extensively to help resettle Jewish immigrants arriving from the former Soviet Union and traveled to the Soviet Union to deliver spiritual and material support to Soviet Jewish Refuseniks. The materials include photographs and slides, trip reports, notes, memos, clippings, Refusenik profiles, a notebook with coded names of Soviet Jews, and correspondence, including a letter of support from Senator Edward M. Kennedy.

Real estate lawyer, judge, newspaper editor, and philanthropist, Myer S. Isaacs was the eldest son of the second English-speaking Rabbi in the United States, the Rev. Dr. Samuel M. Isaacs (1804-1878). The Isaacs Family were founding members of the New York-based Jewish civil rights organization, the Board of Delegates of American Israelites (1859-1878), published the Jewish Messenger (1859-1902), and Myer was the first president of the Baron de Hirsch Fund. This Collection contains documents deriving from Myer and Samuel Issacs, and Myer's brothers Abram (1852 or 53-1920) and Isaac Isaacs (1845-1907). Information concerning Myer's children may also be found, including documents from his son Stanley (1882-1962), Manhattan borough President and New York City Councilman. Includes correspondence, clippings, commencement programs, invitations, souvenir and anniversary programs, election campaign materials, obituaries, funeral programs, and citizenship papers.

Abraham Charasch Collection documents Abraham Charasch’s involvement with various Jewish political parties and Jewish student organizations in the Russian Empire and abroad prior to the October Revolution of 1917. Most materials collected here deal with the Union of Eastern Jewish Student Organizations in Western Europe and Zionist Socialist Worker’s Party. Included here is correspondence, by-laws, reports, resolutions, minutes of meetings, declarations, circular letters, lists of delegates to student conferences, memoranda, manuscripts, bibliographies, and applications sent to the Swiss Central Committee for the Return of Political Immigrants.

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