Frederick (Friedrich) Neumann was a Jewish philosophy scholar from Austria who converted to Christianity in the 1920s, emigrated to the United States, and became a Congregational minister and visiting professor at Hartford Seminary. Edith Spitzer Neumann was a bacteriologist and microbiologist. This collection consists of his academic and professional papers and records from her successful work to translate and publish his sermons.

The collection consists of papers and mixed media from the academic and professional careers of Davies. Included are Davies course notebooks from his doctoral study at Oxford University, essays and sermons from his ministry in South Africa and elsewhere, and course and lecture notebooks on worship, theology and the arts from his tenure at Princeton University. Also here are slides, photos, and prints to accompany and illustrate those lectures and a course on Christian art.

The Paul M. van Buren papers consist of university notes, correspondence, organizational materials, course materials, research, sermons and published and unpublished works.

Organizations and affilliations found within this collection include Temple University, University of Basel, Shalom Hartman Institute (SHI), World Council of Churches (WCC), and the National Conference of Christians and Jews (NCCJ).

Abraham Kuyper is best known for his strong leadership, including four years as prime minister, of the major center-right, Protestant political party of the Netherlands from 1879 to 1920. Kuyper was also the foremost Calvinist proponent and intellectual of the late nineteenth century Netherlands. This collection contains large prints of political cartoons that feature Abraham Kuyper.

Materials consist of correspondence, course syllabi, writings and lectures on science and religion; and drafts and other papers pertaining to publication of his book, Alone in the World? Human Uniqueness in Science and Theology.

The collection consists of papers and other materials covering Gillespie's life as a student, pastor, professor, and administrator. Much of the material includes correspondence and other communications between Gillespie and others. The bulk of the collection spans his presidency at Princeton Theological Seminary.