The James Stewart Collection contains seventeen screenplays of films in which starred American actor, Jimmy Stewart (Princeton Class of 1932).

The Jimmy Stewart Collection consists of newspaper and magazine clippings about the life and career of American actor, James Stewart (Princeton Class of 1932). Also included in the collection are film stills and other photographs.

Consists of photograph albums, diaries, engagement calendars, and documents of George Black Stewart (Princeton Class of 1906) who was treasurer (1906-1950) of the American University of Beirut.

The Adlai E. Stevenson Papers document the public life of Adlai Stevenson (1900-1965), governor of Illinois, Democratic presidential candidate, and United Nations ambassador. The collection contains correspondence, speeches, writings, campaign materials, subject files, United Nations materials, personal files, photographs, and audiovisual materials, illuminating Stevenson's career in law, politics, and diplomacy, primarily from his first presidential campaign until his death in 1965.

Contains manuscripts for 47 mystery novels written by American detective fiction writer Aaron Marc Stein.

Consists of papers of American architect and poet Edward Steese, including diaries, manuscripts, and architectural drawings.

Consists of papers of the American literary critic and novelist Donald A. Stauffer (1902-1952, Princeton Class of 1923).

Consists of correspondence, photographs, newspapers, and ephemera belonging to missile researcher Warren Alfred Stark that document his time in the United States Army at the White Sands Proving Grounds in New Mexico during the Korean War and the early years of the Cold War. The majority of the collection consists of correspondence between Warren Stark and Jean Anne Baldwin Stark (1928-1999), his girlfriend and later wife, and other family members and close friends.

Princeton professor of astronomy (1947-1982), chairman of the Dept. of Astrophysical Sciences, and director of the Princeton University Observatory, Lyman Spitzer was also primarily responsible for founding the University's Plasma Physics Laboratory. His papers include design studies, technical plans and programs, various reports, correspondence, notes, and observations relating to his involvement in the development of the study of space astronomy at Princeton.

Consists of personal journals of Theodore Spencer, American poet and essayist, and distinguished Harvard University literature professor.

Davis Spencer (1924-2005), a member of the Class of 1945, rowed on Princeton's freshman and varsity crews, and coached the 150-pound crew team that won the Royal Henley Regatta in 1948. The papers document Princeton's varsity 150-pound crew team as competitors and victors of the 1948 Royal Henley Regatta.

Consists of papers relating to post-World War II Greek history and politics, 1940s-1970s, collected by Norma Spector in her role as the public relations liaison of the Federation of Greek Maritime Unions (FGMU) in New York City.

Walter E. Spahr (1891-1970) was a professor of economics at New York University who was a strong supporter of the gold standard. Spahr was a founding member and officer of the Economists' National Committee for Monetary Policy, which advocated for sound monetary policies for the United States. Spahr's papers document his scholarship and include his writings and related correspondence.

Consists of a photograph album, loose photographs, and clippings belonging to Robert J. Sommers (1881-1972), primarily documenting his work as a highway engineer in Alaska in the late 1920s, as well as some materials related to his personal life and career as a civil engineer and businessman involved in construction. Of note is a photograph album documenting a tour of Alaska made in 1928 by Sommers with Governor George A. Parks and Major Malcolm Elliott.

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 of the papers of Princeton chemistry professor Charles Phelps Smyth.

Consists chiefly of correspondence of British musicologist William Charles Smith related to music and to George Frederic Handel.

Consists primarily of correspondence between childhood friends William B. Smith and Ernest Hemingway, the American author and Nobel Prize winner.

Consists of papers of James G. Smith (Princeton Class of 1920), professor of economics at Princeton, related to New Jersey industrial history.

James Ward Smith enrolled at Princeton University in 1934, first graduating with the Class of 1938 before proceeding with graduate studies in Princeton's Department of Philosophy. Following his military service during WWII, Smith returned to Princeton to begin a long career as Professor of Philosophy. The collection is comprised of letters written by Smith to his parents from September, 1934, when Smith entered Princeton, to his discharge from the Navy in 1946.

Consists of manuscripts and related material for four works of fiction by American novelist Harvey Smith (Princeton Class of 1917).

H. Alexander Smith served as the executive secretary of Princeton University and was later elected to the United States Senate representing New Jersey. Smith made contributions to United States foreign policy while serving on the Senate Foreign Relations Committee. The bulk of documentation focuses on his tenure in the Senate and the period immediately after his retirement; reports, correspondence, and printed material from his work at Princeton are also included. The papers contain diaries, correspondence, speeches, notes, photographs, and memorabilia.

The L. Ashton Sly Collection of Musical Scores is a 137 volume collection of vocal scores and/or libretti for one hundred twenty-three musical comedies, comic operas, and operettas, including twenty-eight full production promptbooks. These are arranged alphabetically by title and housed in 8 record center cartons.

Consists primarily of correspondence of William M. Sloane during his publishing and editorial career, which is documented in several publishing files. These include papers of the Association of American University Presses when Sloane served as vice-president and president (1966, 1969-70); the Council on Books in Wartime; the Visiting Committee of American Book Publishers; and the publishing houses of Henry Holt and Company (1938-46) and William Sloane Associates (1946-52).

Eugene W. Sloan served as Assistant Secretary to the Treasury (beginning in 1935) and was the creator and first administrator of the United States Savings Bond program. Consists of fourteen scrapbooks compiled by Sloan. Two scrapbooks, which Sloan compiled while Executive Director of the War Savings Staff.

Steve M. Slaby, professor of engineering at Princeton, 1953-1991, served as the second (and final) chair of the Graphics and Engineering Drawing Department, 1962-1968. Slaby was also one of the University's few political activists, opposing U.S. involvement in Vietnam and University investment in South Africa, and promoting student and faculty liberties.

Consists of papers primarily related to Eileen Simpson's book, Poets in their Youth: A Memoir, about her married years with poet John Berryman.

Contains papers of George F. Shrady relating primarily to his role as Ulysses S. Grant's physician during Grant's last illness in New York in 1885.

Consists of correspondence between Charles Shipman and various artists and institutions, most notably George deForest Brush and Elliott Dangerfield.

Consists of correspondence of Matthew Phipps Sheil, a prolific British writer of fantasy fiction, with editors, literary agents, publishers, and other authors.

Consists of correspondence, photographs, souvenirs, printed material, and other miscellanea collected by Molly Shenstone about her friend Thomas Mann (1875-1955), the German novelist, essayist, playwright, and lecturer in the humanities at Princeton University.

William F. Shellman was a member of the Dept. of Architecture faculty at Princeton University faculty forty years (1946-1986). He taught introductory courses in architecture and the visual arts and courses designed to heighten architectural students' visual sensitivity. His collection consists of his papers, primarily lectures and notes for his classes, but including matted illustrations and photographs of sample forms of architecture, cassette tapes of lectures, slides, architectural drawings, and watercolors.

Christian Bernard Shea was a member of the Princeton Class of 1916 and an avid supporter of Princeton athletics. The collection consists of Princeton University athletics statistics and newspaper clippings compiled by C. Bernard Shea between approximately 1901 and 1960.

Consists primarily of the professional papers of prominent late 19th- and early 20th-century American theatrical stage manager and director William Seymour (1855-1933). The majority of papers include correspondence as well as numerous production-related materials, such as playscripts, promptbooks, and sheet music. Family members, particularly other well-known theater figures, such as Seymour's sister-in-law Fanny Davenport (1850-1898), are also represented in the collection through correspondence, production materials, ephemera, and newspaper clippings.

The collection contains the manuscripts of composer and educator Roger Sessions. It includes compositions reflecting his use of the 12-tone system of composition and ranging from exercises and studies to concertos, sonatas, operas ("Lancelot and Elaine" and "Montezuma"), and symphonies (1 through 9). Also included are miscellaneous musical works such as divertimenti, nocturnes, chorale studies, quintets, and cantatas along with the manuscripts for two prose works.

The collection consists of materials relating to the three-day Sesquicentennial Celebration in October 1896, at which the College of New Jersey became Princeton University. In addition to ephemera and printed material distributed at the celebration, the collection includes a typescript draft of President Francis Landey Patton's sermon, sesquicentennial memorial books, a published sketchbook, official congratulations from other institutions, and press releases and newspaper clippings reporting the events.

The William K. Selden Collection on Eating Clubs contains research materials collected by Selden for the publication, Club Life at Princeton; An Historical Account of the Upper-Class Eating Clubs at Princeton University. Selden donated the material to the Archives in 1994.

The William K. Selden Collection on the History of Health Services at Princeton University contains research materials gathered by Selden for the publication, The Heritage of Isabella McCosh (Princeton University Press, 1991). The collections contains drafts, comments on the drafts, photographs, manuscript notes and photocopies of documents made by Selden for the book.

William Chapin Seitz (1914-1974) was an art historian, painter, and museum curator who received the first PhD in modern art from Princeton University in 1955. The collection consists of ten notebooks Seitz kept for his early courses on ancient art and architecture in Princeton University's Department of Art and Archaeology in 1949 and 1950.

Business files, correspondence, photographs, artwork, writings, and clippings of George Segal (1924-2000), 20th-century American sculptor, artist, and photographer active from the late 1950s until 1999. The papers contain photographs taken by and of the artist, correspondence and all business files relating to exhibitions, records of the production of public commissions, writings by and about Segal, audio and visual media, and exhibition catalogs.

George Seferis was a Greek diplomat, ambassador, poet and translator. He held various posts with the Royal Greek Ministry of Foreign Affairs, was ambassador to the United Nations, 1956-1957, and to Great Britain, 1957-1962. He won the Nobel Prize for Literature in 1963, and was awarded an honorary degree from Princeton University in 1965.