Herbert Hoover November 5, 1970
Richard Nixon November 5, 1970
John F. Kennedy November 19, 1970
Spiro Agnew and Richard Nixon November 19, 1970
Lady Bird Johnson December 3, 1970
Lyndon Johnson December 30, 1970
Kennedy, Johnson, and Brezhnev March 11, 1971
Richard Nixon March 11, 1971
Richard Nixon March 25, 1971
Richard Nixon April 22, 1971
Richard Nixon and Melvin Laird April 22, 1971
Dwight D. Eisenhower May 6, 1971
Franklin Delano Roosevelt May 20, 1971
Richard Nixon and Lt. William Calley June 3, 1971
Richard Nixon June 3, 1971
Richard Nixon October 7, 1971
Eleanor Roosevelt November 18, 1971
Lyndon Johnson, John F. Kennedy, and Richard Nixon November 18, 1971
