Correspondence, sermons, Hebrew-English lexicon, research notes, scrapbooks of clippings, letters copied into journals by Emilie Grace Briggs, books, pamphlets, Bibles, University of Virginia papers, University of Berlin papers, Union Theological Seminary papers, material relating to the Presbyterian Church, articles and miscellaneous. Also included is heresy material relating to Briggs' trial before the Presbytery of New York, 1892, and record of trial proceedings.

Charles Ripley Gillett (1855-1948) was a Presbyterian minister and Union Theological Seminary librarian. The collection contains writings produced during his roles as librarian and occasional instructor at Union and in his secretarial capacity with the New York Presbytery, notes and drafts of his history of Union Theological seminary, as well as correspondence pertaining to his academic and personal affiliations and his investment in heretical trials of the day.

The Ecumenical Programs at Union Theological Seminary were designed to help students through programs within the Seminary and through exploration of opportunities for exchange study with seminaries around the world. Collection contains correspondence, reports, pamphlets, negatives, slides and other material.

Edwards Amasa Park (1808-1900) was a Congregational minister, theologian, and professor at Andover Theological Seminary. The collection contains bound volumes of Park's lectures, transcribed and with manuscript notes by Henry Albert Stimson, as well as outlines of lectures on theology with manuscript notes by Zephaniah Moore Humphrey and Stimson's notes on Henry Boynton Smith's lectures at UTS.

Frederick John Foakes-Jackson (1855-1941) was an Anglican minister, church historian, dean of Jesus College Cambridge (1895 - 1941), and Briggs Professor of Christian Institutions at Union Theological Seminary (1916-1934), Emeritus (1934). The collection contains correspondence, sermons, personal notes, biographical records, a notebook, and memorabilia reflecting Jackson's academic life during his time at Union Theological Seminary and the impact of his death.

Correspondence, 1931-1974; material related to World Council of Churches, Presbyterian Board of Foreign Missions, and American Association of Theological Schools; articles; manuscripts of books; notebooks; and newspaper clippings.

Reverend Paul Edwin Spiecker was a Union Theological Seminary student and Methodist minister, and Pastor of Trinity Church in Stony Point, NY. The collection contains manuscript and typescript notes for term papers and lectures at Union Theological Seminary, as well as booklets from the NJ Temperance Society, The Scientific Temperance Federation Bulletin from 1938, and a booklet on "Alcohol Problems Visualized" published by the National Forum.

Includes photographs of alumni/ae; miscellaneous Auburn Theological Seminary; Board of Directors with faculty; buildings at [70] Park Avenue and 3041 Broadway; Chi Alpha Society members; class photographs, both indivdual, 1860-present, and group; commencements; community life; student activities including classroom lectures and seminars, performances, and events; conferences; convocations; faculty including some with Board of Directors; inaugurals; lectures; and theologians.

Thomas Samuel Hastings was a Presbyterian pastor of New York City and professor and president of Union Theological Seminary. The collection consists of correspondence, writings, and scrapbooks relating to activities of the seminary and the debate concerning the Presbyterian Creed. Included in the collection are also a notebook of his father, Thomas Hastings (1784-1872), and a travel diary that may be of his son, Thomas Hastings (1860-1920).