Consists chiefly of letters of the Constitution signer and Philadelphia lawyer Jared Ingersoll to his son Charles while he was a student at the College of New Jersey (now Princeton University).

Consists of correspondence, manuscripts, and documents of members of the Joline family of Princeton, New Jersey.

Consists chiefly of letters and photographs of Arthur Machen, the Welsh-born writer called "the Apostle of Wonder" because of his mastery of the English language and outstanding creation of supernatural fiction.

Consists primarily of correspondence of the American educator, art critic, and museum director Frank Jewett Mather (1868-1953).

Consists of works, correspondence, documents, photographs, memorabilia, family papers, scrapbooks, and an autograph book (1880) of Charles Grosvenor Osgood, reflecting his role as one of Woodrow Wilson's original preceptors (1905) and the importance of the preceptorial system at Princeton. The collection contains typed manuscripts of Osgood's lectures on Milton, Spenser, and Samuel Johnson, addresses and note cards, and professional correspondence.

Consists of the personal papers of Ernest Cushing Richardson, librarian of Princeton University Library from 1890 till 1925.

Consists of original letters and transcriptions of additional letters by Edwin Arlington Robinson, American poet and winner of three Pulitzer Prizes.

The Auguste Rodin Collection contains over fifty Rodin letters, cards, telegrams, and notes, of which about half are in the hand of the sculptor.

Consists of works, correspondence, diaries, photographs, scrapbooks, and printed matter of J. Duncan Spaeth, a preceptor (1905-1911) and professor of English (1911-1935) at Princeton.

Consists of selected manuscripts, correspondence, and documents of the twentieth-century British biographer and bibliophile A. J. A. Symons.

Consists of selected letters and a manuscript of John Von Neumann, one of the 20th century's preeminent mathematicians, and an early pioneer in fields such as game theory, nuclear deterrence, and modern computing.

Consists chiefly of correspondence of Andrew Fleming West, who served as dean of Graduate Studies at Princeton University when Woodrow Wilson served as the University's president.

Consists of selected correspondence and student account books of Lawrence Crane Woods, a member of the Princeton Class of 1891 and vice president and assistant manager for the Equitable Life Assurance Society.

Consists of letters and drawings of William Yarrell, a nineteenth-century British naturalist, and related printed matter.

Consists of selected material by and about the Irish poet and dramatist William Butler Yeats, including correspondence, a poetry manuscript, photographs, family items, and Cuala Press ephemera.

Contains selected correspondence of American pioneer and religious leader Brigham Young. Images of this collection are also available online at Digital PUL.

Consists of individual academic files of former undergraduate students of Princeton University, containing grades, transcripts, and other information relating to the subject's academic career. To search for a student by name, please use the finding aids listed as "Other Finding Aids" under "Access and Use." The finding aids are divided by decade, beginning with 1921.

Consists of quarterly status reports and technical reports created by the Plastics Laboratory at Princeton University from 1946 to 1954. The Laboratory which was established in 1946 conducted basic research involving problems of a fundamental nature as well as towards the development of plastics and materials with specific properties.

This collection contains playbills mostly from Greece and a few from other countries.

The papers of David Aiken Reed (1880-1953) consist primarily of clippings illustrating the political career of Pennsylvania Senator Reed (Class of 1900) during the years 1914-1940 with a few photographs of World War I campaigns, correspondence from President Herbert Hoover, the publisher Henry Luce and General John J. Pershing, Head of the American Expeditionary Forces of World War I, two letters of commendation, a testimonial, three army documents, and printed copies of a few speeches by Senator Reed.