Columbia subject headings:
Impeachments--United States--History.
Nixon, Richard M. (Richard Milhous), 1913-1994.
Watergate Affair, 1972-1974.
Harvard subject headings:
Impeachments--United States--History.
Nixon, Richard M. (Richard Milhous), 1913-1994
Watergate Affair, 1972-1974
Princeton subject headings:
Impeachments--United States--History.
Nixon, Richard M. (Richard Milhous), 1913-1994.
Watergate Affair, 1972-1974.