Consists of genealogist Silvia S. Bennet's works about, and research papers of, various members of the Olyphant family of Charleston, South Carolina, and New York State.

The collection contains manuscripts related to four generations of the Blanco White family, spanning two centuries: including works, diaries, correspondence, documents, accounts and expense records, and printed material. Joseph Blanco White, the Spanish-English writer and religious figure, remains the focus of the collection; however, his brother Fernando, a politician and intellectual of 19th-century Seville, also accounts for a substantial part of the material. Of particular interest are autograph manuscripts of several of Joseph's literary efforts, as well as other genealogical material relating to the Blanco White family.

Consists of approximately 692 flat works from the collections of the Princeton University Art Museum, temporarily transferred to the Princeton University Library for use in Princeton University courses during the Spring 2024 semester.

Consists of scrapbooks of tearsheets and clippings, original artwork in pencil and in pen and ink, correspondence, financial documents, periodicals, permission agreements, and contracts spanning Henry Martin's career as a cartoonist and illustrator.

Consists of correspondence with Modern Greek poets, autograph manuscripts of poems, and printed material.

Consists of documentation that Thomas Kofodimos pulled together, when he was trying to find a United States publisher for his English translation of Lephousēs' book Asēmina Laiou. Also, includes letters from Ēlias Lephousēs to Thomas Kofodimos and to Joan Kofodimos, family photographs, and miscellaneous photographs of ELAS (Greek People's Liberation Army) leaders, materials related to Kofodimos' escape from Greece to the United States, information about his career after coming to the United States, various memoirs and personal history, death notices and obituaries of Kofodimos' published both in the United States and in Greece.

The collection documents the career of Richard Rush (Princeton Class of 1797) as lawyer, statesman, and diplomat, emphasizing diplomatic negotiations between the United States and Great Britain while he was minister to Great Britain (1817-1825) and between the United States and France when he was minister to France (1847-1849), as well as his successful efforts (1836-1838) in securing the Smithsonian bequest, which was used to establish the Smithsonian Institution. The papers of Richard Rush constitute the larger part of the collection; letters of his father, Benjamin Rush, M.D. (Princeton Class of 1760), and papers of his son, Benjamin Rush (Princeton Class of 1829, constitute the other major groups of papers in this family archive.

The papers comprise documents relating to all periods of the life of Kurt Gödel, foremost mathematical logician of the twentieth century, including scientific correspondence, notebooks, drafts, unpublished manuscripts, academic, legal, and financial records, and all manner of loose notes and memoranda.

Douglas Kent Hall was an American writer and photographer active from the 1960s until 2008. This collection contains manuscripts, negatives, contact sheets, prints, transparencies, notes, research files, written reviews of Hall's work, and correspondence relating to a number of published and unpublished writings and photography projects spanning Hall's entire career.

Consists of an open collection of Ethiopic magic scrolls, chiefly dating from the 18th to 20th centuries, collected by Bruce C. Willise (Princeton Class of 1986).