The Cliosophic Society (1770-1941) was a political, literary, and debating society on the Princeton campus that played an important role in the development of the college and also the intellectual and social development of generations of Princeton students.

The Clive Bell Correspondence collection consists of letters received by the English writer and art critic Clive Bell (1881-1964) from Raymond Mortimer, Harold Nicolson, and V. (Victoria) Sackville-West ["Vita"]. Their content reflects both personal and professional matters.

Consists of the papers of Harriet and Alma Cole, wife and daughter of Charles K. Cole, largely relating to the women's stakes in mining operations in Montana and Colorado.

Consists of 12 letters from William, E. B., and Robert Patten to their brother-in-law and sister, George N. and Olivia Cole, along with additional Cole family documents.

Contains correspondence of Elizabeth Montagu, known as "queen of the Bluestockings," an informal group of 18th-century English literary figures and intellectuals that gathered frequently at her home.

The Collected Memorabilia of William Sidney Porter consists of unpublished articles, reminiscences, and correspondence of the American storywriter William Sidney Porter (1862-1910), better know by his pseudonym "O. Henry."

Consists of twenty ethnographic albumen prints of North American Indians, commissioned by Prince Roland Bonaparte and photographed by Alfred Ayotte, plus two additional photographs of Bonaparte.

Consists of an anonymous German-speaking scholar's manuscript drafts, research notes, extracts from 17th- and 18th-century printed books (identified by author and title), transcriptions of Roman inscriptions, documents, and other materials pertaining to ancient inscriptions and coins.

This collection contains several photographs which feature racist and colonialist imagery.

Consists of a collection of thirty-one miscellaneous documents concerning the incarceration of Japanese Americans by the United States government during World War II at the Tule Lake Relocation Center (later Tule Lake Segregation Center) and other American concentration camps. Most of the materials in this collection relate to a 1943 loyalty questionnaire and the resulting segregation at Tule Lake of those labeled as "disloyal," which led to thousands of incarcerated Japanese Americans deciding to renounce their U.S. citizenship and apply for repatriation to Japan. Materials document resistance efforts by organized groups, such as Sokuji Kikoku Hoshi-dan, as well as individual acts of resistance by incarcerees.