Consists primarily of correspondence, travel diaries, and photographs of former Princeton University comparative literature professor Clarence Brown (1929-2015) relating primarily to his scholarship on Russian writers Osip Emilyevich Mandelstam (1891-1938) and Nadezhda Mandelstam (1899-1980). Correspondence with writer and illustrator Guy Davenport as well as with poet W. S. Merwin, Princeton Class of 1948, is also included.

Contains notebooks and drafts of the Nicaraguan-born Salvadoran writer Claribel Alegría's poetry, articles and essays, novels, short stories, speeches, and translations. Also includes correspondence with publishers, family, and such writers as Mario Benedetti, Julio Cortázar, Juan Ramón Jiménez, Alfonso Quijada Urías, and Sergio Ramírez. Additionally, the collection contains photographs, audiovisual material, and writings of others on Alegría.

The Clarke family lived and farmed in the Stony Brook - Quaker Bridge area of Middlesex County, New Jersey, now known as Clarkesville of Mercer County. The collection includes documents of the Clarke family such as deeds, wills, and mortgages of various generations of Clarkes.

Clark Gesner (1938-2002) was an American composer, lyricist, and writer most famous for his theatrical production You're A Good Man, Charlie Brown. His papers document his entire career and include scripts and scores, as well as production notes, correspondence, publicity and reviews, and photographs.

The Class of 1969 Community Service Fund provides community service opportunities to Princeton students primarily through domestic and international internships. The records document the fund's internship programs and include applications for and evaluations of internships.

The Zoom Monologues Project is focused on documenting the more intimate thoughts of the Class of 2021. This collection contains zoom videos of students recorded January and February of 2021.

The collection consists of class yearbooks that are published to mark class reunions and to provide updates on the lives of alumni.

Consists of contemporary manuscript copies of 38 letters (in a bound volume) written by the eighteenth-century French attorney Claude Meney during a visit to London..

The collection chiefly consists of 30 letters (1968-1988) received by the French poet, essayist, and translator, Claude Esteban, from the Mexican poet, writer, and diplomat, Octavio Paz, concerning translations projects.

Consists of correspondence of the American architect and author Claude Fayette Bragdon, as well as related printed material.

The collection consists of course planning materials, manuscripts for an illustrated treatise on art and design, speech drafts, and drawings of French professional designer and art teacher Claude-Henri Dufour (1766-1845), dating from the period during and following the French Revolution, related to an art course he developed and taught at l'École Centrale d'Allier in the Auvergne region of central France. Dufour's writings depict an ardent republican who promoted the value of design education for artists during the Industrial Revolution and early years of industrial design. Course materials cover elements of design and perspective, anatomy and proportion of the human figure, aesthetics, composition, and ornamental design, as well as touch on architecture and natural history.

Consists of correspondence, documents, and printed matter of the Clawson family of Salem County, N.J.

Charles Lawton Campbell (Princeton Class of 1916) was an American playwright and advertising writer. His collection contains ninety-four drafts, fragments, and fully-conceived plays, as well as poems, essays, and an autobiography covering fifty years of his life as a devotee of the theater.

The Princeton Clay Project is an initiative launched in January of 2016 by two first-year undergraduate students, Avigail Gilad and Chiara Ficarelli, to raise funds and awareness for the Amal Scholarship Fund, which awards scholarships for Syrian refugees at the Za'atari Refugee Camp in Jordan to attend college. The Clay Project Records document the initiative's first semester of fundraising activities for the Amal Scholarship Fund.

Clement Heaton (1861-1940) was an artist, stained glass painter, sculptor, and mosaicist. His collection consists of material concerning the making and history of stained glass compiled by Heaton. Included are files of original artwork and photographs of stained glass and monuments, many notes, articles, and some correspondence on general studies in Medieval and Gothic art, craftmanship, glassmaking, and cathedrals.

Consists of selected correspondence, manuscripts, published works, and memorabilia of Clements and his wife, Florence Ryerson Clements.

Consists of the correspondence of C. Leroy Ellenberger, one-time advocate and now critic of Immanuel Velikovsky, which relate to an article he published in the journal Kronos regarding the publication of Velikovsky's Stargazers and Gravediggers: Memoirs to Worlds in Collision (1983).

Included as part of the final gothic design of Princeton's Graduate School was a 173-foot tower, a national memorial to former U.S. President Grover Cleveland who was also chairman of the trustees' graduate school committee. The collection consists of 11 log books signed by visitors to the Cleveland Memorial Tower.

Consists primarily of correspondence relating to the work of Carver (Princeton Class of 1913) as secretary (1914-1915) to Walter H. Page, the American ambassador in London, as secretary (1915) to Edward Mandell House in Europe, and as assistant to Bernard M. Baruch working for the War Industries Board, and to his commission in the U.S. Navy attached to the Office of Naval Intelligence (1917-1918).

Clinton A. Decker traveled to Russia as part of the American Advisory Commission to Russia of Railway Experts (1917) and later became a member of the Inter-Allied Technical Board (1919-1922). The collection contains personal and business correspondence and photographs documenting Decker's travels in Russia, China, and Japan.

Clinton Wilder (Princeton Class of 1943) was an American theatrical producer. His collection consists of playbills he collected as well as typescripts and production materials of plays he produced.

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 consists of 77 silver print photographs by William C. Anderson, a photographer and photojournalist active during the late 19th and early 20th centuries. The collection also includes 24 real photo and pictorial postcards, and one convention handbook with photo illustrations provided by Kiser Photo Company.

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.

Collection of ephemera relating to the marketing of books, consisting of prospectuses, adverts, catalogs, etc.

Consists of printed materials related to the Greek military junta of 1967–1974.

Consists primarily of a few writings and field notes of American geologist Harry Hammond Hess (1906-1969).

Consists of (27) color and black-and-white lantern slides of Athens, Greece depicting antiquities, architecture, local costumes and everyday life in Athens at the beginning of the 20th century.

Collection of 189 lantern slides of several places in Macedonia, Greece by Newton & Co.

Consists of materials relating to the Anguillan Revolution of 1967, including the Anguillan-published newspaper The Beacon, news articles from American publications, and memorabilia. Also includes policy statements on Anguilla from the British Information Services, Economic & Political Affairs Division.

Consists of a collection of military trade cards related to the First Balkan War (1912-1913) and the Greek-Turkish War (1897).

Consists of (41) color and black-and-white postcards depicting the Ethnikē Organōsē Neolaias (National Youth Organization); Salonique (by Mario Perilla); Crete (by N. Alikiōtēs); Souvenir d' Orien (by Levy Fils); Souvenir de Smyrne; Macedonian Struggle; and International Occupation. There are also (23) color satirical postcards.

The collection contains playbills of the Ōdeion Athēnōn featuring symphony and popular concerts from 1930 to 1937.

Consists of a collection of forty-eight publicity and wire service press photographs of African American civil rights leaders and politicians issued between the 1960s and the 1980s.

Consists of a few materials related to a Russian Orthodox school in Jerusalem, including records and teaching items, likely kept by a school instructor or official.

Consists of correspondence, galley proofs, and a typed manuscript relating to the poetry anthology New Poems, 1943 by the American poet and editor Oscar Williams (1900-1964).

Consists of a semi-autobiographical work, A SOCIALIST'S FAITH (1951), by Thomas (Princeton Class of 1905).

The Collection on William F. McCombs contains materials on and by William F. McCombs, a lawyer who was actively involved in Woodrow Wilson's gubernatorial and presidential campaigns. McCombs' secretary, Maurice F. Lyons, provided transcripts of correspondence and notes authored by McCombs to Arthur S. Link, as part of Link's work on The Papers of Woodrow Wilson. Correspondence between Lyons and Link concerning the typescripts is also located in this collection, as well as a set of bound newspaper clippings on Wilson's campaigns and administrations created by McComb's sister.

The Princeton University College Republicans are the official student group on campus of the National Republican Party. The College Republican Records consist primarily of photographs from College Republican events, campaigning, and social media.

The Commission on the Future of the College–known also as the Bressler Commission–was charged in October 1970 with assessing Princeton's undergraduate curriculum. The collection contains Professor Marvin Bressler's records as the chair of the Commission. The collection is comprised of internal and external correspondence, reports, meeting minutes, and student surveys. Bressler was a member of the Department of Sociology at Princeton University from 1963 to 1993, and for twenty years served as its chairman.

The Nassau Hall Bicentennial Committee was established to plan the 200th anniversary of Nassau Hall over a two-day period beginning on September 22, 1956. The collection documents the activities of the Committee through correspondence, publications, news articles, and press releases.

The Committee on Safety and Insurance was an administrative organization that dealt with occupational safety and insurance issues throughout University facilities and departments. The records consist of Commitee minutes, accident reports, insurance policies, general subject files, and correspondence.

The Committee on the Education of Women at Princeton Records contain the working papers and correspondence of Gardner Patterson, Committee Chair, and his assistants. In June 1967 the Board of Trustees charged the Committee with the study of "the advisability and feasibility" of enlarging the University's role in the education of women. The final report, "The Education of Women at Princeton," was submitted to the Trustees in July 1968. Adopting the recommendation of the Committee, they voted in favor of coeducation the following January and appointed an Ad-Hoc Committee to advise on how to implement their decision. The collection contains some papers Patterson received as a member of this Ad-Hoc Committee, and drafts of its final report, "The Education of Undergraduate Women at Princeton: An Examination of Coordinate Versus Coeducational Patterns."