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 material relating to Norman Salit's activities with various organizations, including the Synagogue Council of America, the Rabbinical Assembly of America, the Wartime Emergency Commission for Conservative Judaism, the Boy Scouts of America, the Jewish Education Committee, the American Child Guidance Foundation, Religion in American Life, the Valley Forge Foundation, the Jewish Theological Seminary of America, and the National Community Relations Advisory Council. There are also speeches, writings, sermons, items related to Sharit's legal work and Zionist activities, as well as some letters from Mordecai Kaplan.