The Princeton University Bicentennial Celebration was a year-long series of events that began on September 22, 1946 with a sermon delivered by Geoffrey Francis Fisher, Lord Archbishop of Canterbury, in the University Chapel and ended with an address by President Truman in front of Nassau Hall at the June 17, 1947 Concluding Bicentennial Convocation. The Bicentennial Celebration Records contain correspondence, writings, speeches, press-releases, pamphlets, reports, newspaper clippings, tickets, transcripts, watercolor and pencil sketches and various other materials documenting the 1946-1947 Princeton University Bicentennial Celebration.

Joseph Edward Raycroft was Princeton University's Chairman of the Department of Health and Physical Education. The Papers contain correspondence, writings, press-releases, reports, newspaper clippings, photographs, and memorabilia documenting Raycroft's personal life and career. Also included are library catalog lists and other material related to Raycrofts Library of memorabilia

The study of biology began at the College of New Jersey with the appointment in 1830 of botanist John Torrey into a part-time faculty position; it expanded with the formation of the School of Science in the 1870s; and was established as a department in 1904. The collection primarily consists of the records of the Department of Biology assembled during the tenures of Department Chairmen Edwin G. Conklin and Elmer Butler. Included are correspondence, general subject files, and records pertaining to grants, research endowments, publications, and administrative matters such as budgets and staffing. Also includes sponsored research reports and student grade cards.

The President of the University is charged with the general supervision of the interests of the University and with special oversight of the departments of instruction. This collection consists of the collected reports to the President prepared annually by each academic department and administrative office.

Consists of letters, short manuscripts, some artwork, and a few proofs of English poets, dramatists, novelists, critics, essayists, biographers, journalists, publishers, artists, and actors who were prominent primarily from the 1890s through the 1930s.

John E. Rovensky (1880-1970) was a banker and economist. As a banker, he held the position of vice president at the National Bank of Commerce, Bank of America, and City Bank. As an economist, he was a member of the Economists' National Committee on Monetary Policy, the National Monetary Association, and the Stable Money Association. Rovensky's papers document his work as an economist, including his tenure as president of the Stable Money Association in 1927. The papers are comprised of correspondence, offprints, and newspaper clippings.

Harley L. Lutz (1882-1975) was an economist with expertise in taxation and public finance who spent his academic career at Oberlin College, Stanford University, and Princeton University. Lutz also served as an advisor on public finance, especially taxation, to the federal and state governments and was an outspoken opponent of increases in government spending. Lutz's papers document his career as an economist, as well as his work as a consultant on taxation and public finance, and include writings, reports, and correspondence.

Louis Adamic was an author deeply concerned with American immigrants and their experiences in the "melting pot." This collection consists of papers of Adamic, including manuscripts of his books, short stories, articles, and lectures, as well as sketches, paste-ups, and proofs of Adamic's own journal T & T. Also included are correspondence, subject files, and works of other writers.

Files include correspondence about the founding of Princeton University Libray's William Seymour Theatre Collection, the gala dinner opening night, efforts to enlarge the collection in the 1940 to 1960s, and descriptive writings about the collection by the various curators.

The Thomas Baird Papers consists of the working and personal papers, primarily manuscripts, of the American educator and author Thomas Baird (1923-1990). Also included, and related to both his published and unpublished works, are idea files, notes, writing journals, correspondence with his publishers and editors, and reviews. Furthermore, the collection contains the following materials that encompass Baird's adult life: talks, addresses, and lectures; general, family and travel correspondence; diaries; personal journals; interviews; documents; photographs and audio recordings.