This collection comprises paintings, drawings, prints, cartoons, and other original artwork and reproductions representing the Princeton campus, its dezinens, sporting and other events, and symbols of the school.

Consists primarily of original artwork created by Charles E. Fehon, Princeton Class of 1950, during the process of designing sets and costumes for Princeton theater groups including Theatre Intime, University Players, and the Triangle Club.

The John Bartlow Martin Papers contain research materials compiled in preparation for the writing of Martin's two-volume biography Adlai Stevenson of Illinois: The Life of Adlai E. Stevenson (1976) and Adlai Stevenson and the World: The Life of Adlai E. Stevenson (1977). The collection illuminates Stevenson's personal life, law practice, and political and diplomatic career.

Consists of correspondence and documents of members of the DeWitt family, particularly William Radcliffe DeWitt, a nineteenth-century Pennsylvania clergyman.

Consists of an assembled collection of photographs by Yellowstone National Park and Northern Pacific Railway photographer F. Jay Haynes (1853-1921), mostly from the late 1870s and 1880s, including albums of albumen prints of various Yellowstone National Park sites and scenes along the Columbia River in Oregon, as well as stereograph views of Yellowstone National Park, wheat farmers in the Dakota Territory, and locations along the route of the Northern Pacific Railway.

Evelyn Cameron (1868–1928) was a Montana-based amateur photographer. Consists of 15 silver gelatin photographs (most 6.5 x 4 inches, laid on larger boards) of Montana ranching and scenery.

Consists mostly of letters from British-American poet T.S. Eliot to Emily Hale (1891-1969), a teacher, actress, and close friend of Eliot's. Also included are copies of typescripts by Eliot, photographs, ephemera, and a brief narrative of the relationship between the two penned by Hale.

Consists primarily of incoming correspondence to Robert H. Barton (1811-1898) of Providence, Rhode Island, from his family that begins in the winter of 1849 when Barton left his wife and four children to head to the California gold fields. The 70 plus letters, which continue until the early 1870s, are from various family members and friends all with the common theme of "come home." Also included are a few letters from Barton; some family photographs; and Barton's account statement from Gregory & Waite Groceries & Provisions (Nevada City).

Jack Iams (Samuel Harvey Iams, Jr.), Class of 1932, was a noted mystery writer in the first part of the twentieth century. The collection includes notes, drafts, outlines, and typescripts for seven of Iams's mysteries, as well as several assorted items, such a book jacket proofs and page proofs.

Consists of over forty letters by John Bright written while he was a member of Parliament and addressed to various individuals.