Princeton University's School of Engineering and Applied Science is an academic unit which since 1921 has overseen the curriculum and administration of the University's academic departments in the engineering sciences. The records document the activities of the School of Engineering and its subordinate departments and programs from its origins in the late 19th century until the present, and consist of correspondence, subject files, research reports, photographs, and other audiovisual materials.

Félix Candela was an influential Spanish-born architect and structural engineer, known for his innovative designs using reinforced thin-shell concrete to create the highly efficient hyperbolic parabaloid shapes used in his construction of many well-known churches, factories, and other buildings, primarily in and around Mexico City in the mid-20th century. The collection consists of professional and personal papers, including photographic files documenting his projects, architectural drawings and designs, drafts of lectures and published papers, correspondence, appointment books, student notebooks and artwork, personal photographs and albums, awards and certificates, architectural reference books and magazines, construction materials catalogs, and clippings on various architecture and design topics and on Candela's own work.

Jacob Viner (1892-1970) is considered one of the greatest economists of the twentieth century. His career was spent at the University of Chicago and Princeton University, and he also frequently served as an advisor to the United States government. His primary academic interests included international economics, international economic relations, and the history of economic thought, but his investigations ranged across many disciplines. Viner's papers document his scholarship, as well as his government service, and include correspondence, manuscripts, reports, and research materials.

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.

This collection consists of materials collected by the law firm of McCarter & English of Newark, New Jersey in connection with representation of the Iowa, Sac and Fox, Otoe and Missouria, and Omaha tribes before the United States Indian Claims Commission between 1958 and 1970. The records document the cases; briefs, findings of fact, valuations, reports and orders are included. More significantly, the records include a vast storehouse of evidentiary documentation on the history of these tribes and others, much of it dating to the early nineteenth century.

The collection illustrates the literary and military careers of James Gould Cozzens in manuscripts, notebooks, diaries (1920-1970), war journals (1911-1945), correspondence (general, family, and business), documents, memorabilia, clippings, and photographs.

Consists of personal papers of American astronomer Henry Norris Russell (Princeton Class of 1897), including notes kept by Russell as a student at Princeton (1894-1898), lecture notes when a professor at Princeton, and working notes on scientific and military problems.

This collection contains over 1,800 items including mugs, pipes, canes, banners, hatbands, pins, jewelry, and other material collected by many individuals that document reunions, sporting events, student traditions, and other aspects of University life.

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.

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 selected papers of the Frederick T. Brown family, which originated in Ohio but at various times lived in Indiana, Minnesota, and New Jersey.

Consists of selected letters and manuscripts by or about Edmund Wilson (Princeton Class of 1916), an American literary critic and author.

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.

The Paul Frankl Papers consists of correspondence, writings, notebooks, photographs, and printed matter of the Czech art historian, architect, author, and educator Paul Frankl (1878-1962). A native of Prague, Frankl came to the United States in 1938, and shortly afterwards settled in Princeton, New Jersey, where he was associated with the Institute for Advanced Study.

H. R. Hays was a writer, anthropologist, and educator. The collection contains his correspondence with ten Latin American writers and poets, primarily about literary and research issues. Also included are typescripts of an article about Jorge Carrera Andrade's poetry and Antenor Orrego's prologue to Trilce (1922).

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.

The Class Records consist of a diverse set of materials documenting the history and activities of Princeton University classes during their time as undergraduates and as alumni. In the collection are correspondence, newsletters, publications, photographs, and memorabilia, all of which pertain to a particular Princeton University graduating class and its members.

The Triangle Club Records consists of records of the Club and its predecessor, the Princeton College Drama Association, for productions performed by these organizations from 1883 to the present. Materials include correspondence, playbills, scripts, scores, newspaper clippings, posters, scrapbooks, and photographs as well as audio-visual recordings.

David Lilienthal served on the Wisconsin Public Service Commission (1923-1932), as a member of the board of directors (1933-1941) and then chairman (1941-1946) of the Tennessee Valley Authority (TVA), as first chairman (1946-1950) of the Atomic Energy Commission, and, later, in private business as an industrial consultant and chairman (1955) of the Development and Resources Corporation, which was involved with the Khuzestan Program in Iran. This collection consists of the papers of Lilienthal spanning his entire career, including correspondence, reports, articles, speeches, and printed matter.

Consists primarily of the correspondence of 20th-century French poet René Char (1907-1988); a smaller subset includes correspondence and records documenting his involvement with the French Resistance during World War II.