Agenda and minutes of meetings, conference proceedings, correspondence, memoranda, reports, studies, budgets, working papers, press releases, and printed matter relating primarily to activities of the National Science Foundation in promoting scientific research and education in the United States; activities of the Japan-United States Friendship Commission in promoting academic and cultural ties between Japan and the United States; and administration of the University of California system. Campbell was Director, Hoover Institution on War, Revolution and Peace, 1960-1989; regent, University of California, 1968- ; member, National Science Board, 1972-1978; chairman, Japan-United States Friendship Commission, 1983-1989.