Consists of the papers of Hungarian-born, Nobel Prize-winning physicist Eugene Wigner, and includes correspondence, subject files, writings, and offprints reflecting his long career in physics.

Consists of papers of the American author and novelist Wendell Wilcox (1906-1981), including personal correspondence and photographs of his wife, Esther Willson Wilcox, their relatives, and other writers and friends.

Clinton Wilder (Princeton Class of 1943) was an American theatrical producer. His collection consists of playbills he collected as well as typescripts and production materials of plays he produced.

Consists of selected papers of Thornton Wilder, the celebrated American novelist and playwright, winner of three Pulitzer Prizes.

The papers of Whiting Willauer (1906-1962) reflect Willauer's entire career, but focus most strongly on the period from 1941 to 1954 when Willauer was in China and worked for China Defense Supplies, Inc. (1941-1944), the Foreign Economic Administration (1944-1945), the United Nations Relief and Rehabilitation Administration [NRRA] (1946-1947), and Civil Air Transport, Inc. (1946-1954). The papers also document his positions as an admiralty lawyer for the New York City law firm, Bingham, Dana and Gould (1931-1938), as Attorney, Criminal Division at the Department of Justice and Special Assistant to United States Attorney General (1929-1940), Special Counsel for the Federal Power Commission (1941), and his appointments as United States Ambassador to Honduras (1954-1958) and Costa Rica (1958-1961). In addition, materials which reflect Willauer's role as a delegate to the Organization of American States' Meetings of Foreign Ministers (August 1960) and to the United Nations General Assembly (October 1960) are found in the papers.