Richard M. Nixon National Historic Site : hearing before the Subcommittee on National Parks and Recreation of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-ninth Congress, second session, on H.R. 3921 to establish the Richard M. Nixon National Historic Site in the state of California, and for other purposes, hearing held in Washington, DC, March 4, 1986. (U.S. G.P.O., 1987)