Four one-page TLSs, all on White House letterhead, ranging in date from 1969 to April 3, 1974, all written to Richard Nixon’s friend and biographer, Earl Mazo, each signed by a different staff member involved in the Watergate scandal. Letters are from H. R. Haldeman, signed “Bob”; John Erlichman, signed “John”; Charles W. Colson, signed “Chuck”; and Rose Mary Woods, signed “Rose.” In very good to fine overall condition. RR Auction COA.