Richard Nixon: selected speeches and statements on Watergate, 1973-1974
    For a more complete list, see the terrific site at Watergate.info, here.
 

August 15, 1973: Nixon lies boldly about his involvement in the cover-up, and pledges a "new level of political integrity and decency in America"
 

(scroll down for more speeches...)
 

November 17, 1973: Nixon announces, "I am not a crook" at a press conference
 

April 29, 1974: Nixon announces he is releasing White House transcripts of some of the Oval Office tapes:

August 8, 1974: Nixon announces he will resign
    see here for a surprising alternate draft!

August 9, 1974: Nixon bids farewell to his staff