Emmet John Hughes (1920-1982) was a journalist and speechwriter. The collection is primarily composed of drafts, research files, reviews, and other materials pertaining to various books and articles written by Hughes. The collection also documents Hughes's work as a speechwriter for Dwight D. Eisenhower in the presidential campaigns of 1952 and 1956 and the first year of Eisenhower's presidency, as well as his role as a political advisor and speechwriter for Governor Nelson Rockefeller's 1968 presidential bid.

Consists of records of the nineteenth-century New York City-based soap manufacturer Enoch Morgan's Sons Company, including business records, correspondence, and advertising and promotional materials for Sapolio soap, its best known product.

Consists of the personal and literary papers of Uruguayan writers Enrique Fierro and Ida Vitale.

Consists of papers, photographs, and other ephemera related to the Erhan family, centering on Ahmet Münir Erhan (1880-1958), who was a Turkish politician and a member of the Grand National Assembly of Turkey (TBMM), and his children. The collection also contains materials that document members of the related Okçuoğlu and Atabekoğlu families.

Consists of writings, correspondence, and printed matter of the Jewish scholar, author, and lecturer Erich Kahler, including some magazines and newspaper articles collected for his research purposes. There is also material and correspondence assembled after his death by his wife, Alice Loewy Kahler.

Consists of the personal papers of Ernest Cushing Richardson, librarian of Princeton University Library from 1890 till 1925.

Consists primarily of correspondence between American novelist Ernest Hemingway and his friend Milford J. Baker.

Consists of selected material by and about the American author and Nobel Prize winner Ernest Hemingway.

Contains material relating to Hemingway's income tax preparations for the years 1940-1945.

Consists primarily of letters that American novelist Ernest Hemingway sent to his friend General C. T. Lanham during and after World War II, with related photographs.