Correspondence, memoranda, speeches, writings, political files, subject files, legal material, notes, briefing material, transcripts of press briefings and press conferences, press releases, calendars and schedules, telephone logs, biographical material, family papers, printed matter, clippings, photographs, and other papers pertaining chiefly to Ziegler's activities as White House press secretary, assistant to President Richard M. Nixon, and assistant to Nixon after his resignation from the presidency. Subjects include Republican Party activities in California during the 1960s, Nixon's 1968 presidential campaign, the press and press coverage, the Vietnam War, prisoners of war, Paris peace talks, Watergate Affair, Nixon's resignation and pardon, and foreign relations especially with China and the Soviet Union. Correspondents include Patrick J. Buchanan, Dwight L. Chapin, Ken W. Clawson, Julie Nixon Eisenhower, Franklin R. Gannon, David R. Gergen, Alexander Meigs Haig, H.R. Haldeman, Bruce A. Kehrli, Richard M. Nixon, David N. Parker, Diane Sawyer, Gerald Lee Warren, and J. Bruce Whelihan.