Consists of letters and drawings of William Yarrell, a nineteenth-century British naturalist, and related printed matter.

The William W. Lockwood Papers document the American Institute of Pacific Relations and Lockwood's activities within the organization during the McCarthy era. A significant amount of the collection concerns the investigation of the Institute of Pacific Relations by Senators Joseph McCarthy and Pat McCarran. The collection also documents U.S.-Far East relations, particularly U.S.-Japanese trade and the Japanese textile industry.

Conists of personal papers of William Tipping Esq, of Brasted Park, Sevenoaks, in Kent, and Avray near Paris. He was the son of the successful Liverpool merchant John Tipping, who in his twenties traveled extensively in Europe and the Middle East before turning to Tory politics and serving as director of the London and North Western Railway.

William Starr Myers (1877-1954) was a professor of history and politics at Princeton University and a noted historian of New Jersey and the Republican Party. The William Starr Myers Papers document the history of his teaching career and published works.

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.

William Rankin (Princeton Class of 1886) was an art historian, specializing in Italian art, and was co-author, with Alice Van Vechten Brown, of A Short History of Italian Painting (1914). Consists of correspondence of Rankin.

Consists of selected papers of W. Oliver Strunk, who was a professor of music at Princeton University (1937-1966).

William O. Baker (1915-2005) was a prominent research chemist, head of Bell Laboratories, and a frequent advisor to the government on scientific affairs and technology. His government service spanned from the Truman administration through the Bush administration and focused on intelligence gathering and national security issues. Baker's papers document his government service beginning with President Eisenhower, as well as his career at Bell Labs, and include correspondence, writings, and reports.

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).