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.

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.

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).

William Adams was a Presbyterian minister, pastoral theologian, UTS professor and president, and maternal grandfather of William Adams Brown. The collection contains bound "In Memoriam" books, as well as sermons written by Adams from the 1830s through the mid-1870s.