These materials consist of personal and professional papers that belonged to and were authored Alan Neely.

The Princeton Theological Seminary Library holds Neely's papers as he he was named to the faculty in 1988 upon his return from Colombia; he taught until his retirement in 1996.

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.

Justo González is a Cuban American Methodist theologian and historian. These materials are his personal and professional papers.

These materials consist of Gill's personal papers, correspondence, Master Sermon Series, scrapbooks, and other printed material.

William McElwee Miller was a Presbyterian missionary and author who served in Persia from 1919 to 1962. This collection consists of the correspondence, works, documents, and memorabilia accumulated over the period of his lifetime from 1899 to 1993 and beyond.