The collection consists of American consulting engineer and newspaper columnist, Howard W. Ambruster's works, correspondence, miscellaneous material, and printed matter.

Horton Davies was a Princeton University professor of religion; his wife, Marie-Helene Davies, is author of LAUGHTER IN A GENEVAN GOWN: THE WORKS OF FREDERICK BUECHNER, 1970-1980 (1983). Consists of papers relating to the novelist Frederick Buechner (Princeton Class of 1947) collected or created by Davies.

Horace and Thomas Meeker were father and son graduates of Princeton University. The papers document the University's admission processes circa 1925 and 1950.

Consists primarily of family correspondence of John Henry Hobart, a bishop of the Protestant Episcopal Church.

Consists primarily of correspondence between F. Scott Fitzgerald's East Coast literary agent, Harold Ober, and his Hollywood agent, H. N. Swanson, from 20 November 1934 through 4 April 1956.

The Student Photograph Albums Series of the Historical Photograph Collection (HPC) contains 180 photographic albums created by Princeton University students. These albums, along with the other photograph collections in the University Archives, help document the experiences of students, faculty, and staff at Princeton University. The albums date from 1851 to 1995, although the bulk date from the 1860s to the 1910s. New accessions are added regularly to the collection.

Consists of material by and about American patriot and founding father Benjamin Franklin collected by George Simpson Eddy in the process of pursuing various projects on and studies of Franklin.

Potter was a lifelong British military officer who attained the rank of brigadier-general. He served in Ireland (1898), South Africa (1901-1902), Egypt and Sudan (1903-1913), and World War I (1914-1918); he retired in 1927. Consists primarily of Potter's lengthy correspondence with his mother and future wife while stationed abroad, often during significant British military operations, including censor-stamped envelopes.

Consists of selected material by and about Henry De Wolf Smyth, the American physicist and diplomat who figured prominently in the development of atomic energy, the Manhattan Project, and the production of the atomic bomb.

Consists primarily of letters that American novelist Ernest Hemingway sent to his friend General C. T. Lanham during and after World War II, with related photographs.