The papers of Yiddish poet Aliza Greenblatt include copies of published and unpublished songs, poems and articles in both typed and handwritten manuscript form, newsletters, newspaper clippings, programs, scrapbook pages, and sheet music. There are also drafts and correspondence regarding her autobiography, including original letters sent to her from her husband Isidore when he visited Palestine in 1920, which form a portion of her autobiography. The collection also contains correspondence and legal documents from Greenblatt’s family, documents relating to her Zionist and charitable activities, and correspondence from other Yiddish writers and poets.

The collection contains a small section of family papers and personal correspondence. The bulk of the collection consists of materials related to Bayer's professional life and his writings.

The Joseph Shubow Collection documents the life and professional activities of Joseph Shubow, military Chaplain, leader of the Congregation B’nai Moshe, Boston, MA and a prominent American Zionist leader. The collection includes correspondence, documents, lists, writings, speeches and sermons notes, photographs, and printed materials. Materials constituting the collection reflect various aspects of Joseph Shubow’s personal and professional life, religious leadership and writings in the fields of Judaism and Jewish history.

The Milton Steinberg (1903-1950) Papers documents the personal and intellectual life of the American author, philosopher, rabbi, teacher, and theologian. The collection contains correspondence, writings, photographs, audio recordings, and memorabilia. In addition to numerous articles, he authored several books including, The Making of the Modern Jew (1934), As A Driven Leaf (1939), A Partisan Guide to the Jewish Problem (1945), Basic Judaism (1947), A Believing Jew (1951), Anatomy of Faith (1960), and A Prophet’s Wife (2010). In a professional career that lasted a little over twenty years, he served as rabbi at three synagogues, primarily at the Park Avenue Synagogue. In addition, he was active in the community at large, and worked with many Jewish community and civic organizations. As a disciple of Mordecai Kaplan, he and others helped to establish the Reconstructionist movement of American Jewry.

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.