William M. Leary (1934-2006) was an aviation historian who wrote his doctoral thesis on the politician H. Alexander Smith. The collection contains materials that Leary consulted in the process of writing his thesis, along with a manuscript of the thesis.

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).

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

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.