Columbia subject headings:
Kennedy, John F. (John Fitzgerald), 1917-1963--Assassination.
Watergate Affair, 1972-1974.
Harvard subject headings:
Kennedy, John F. (John Fitzgerald), 1917-1963--Assassination.
Watergate Affair, 1972-1974
Princeton subject headings:
Kennedy, John F. (John Fitzgerald), 1917-1963.
Watergate Affair, 1972-1974.