Subseries 15C: Subject Files, 1907-1990 [bulk: 1936-1956], consists of a number of different subjects arranged alphabetically, including the A. P. Smith Manufacturing Case, Harold Dodds's personal correspondence, Margaret Dodds's diaries, the Eugene Higgins Trust, Alger Hiss, the Hoover Commission Task Force, the Madison Memorial Commission, the Princeton Local Government Survey, and World War II. Particulars about these subjects follow.