This series dates from 1946-1976 and contains correspondence, memos, newsletters, expenses, distribution lists, directories, and press releases generated by Dick Hannah and the staff of Carl Byoir & Associates, a public relations firm hired by Howard Hughes to oversee public relations for himself and his companies.

The Watergate series dates from 1960-1976 and is composed entirely of reference files of newspaper clippings that document the Senate hearings, impeachment vote, and resignation of the President Richard M. Nixon. Hughes’ political contributions and financial ties to the president’s brother, Donald Nixon and other key figures are also contained in the series.