Columbia subject headings:
Kennedy, John Fitzgerald, Pres. U.S., 1917-1963--Assassination.
Harvard subject headings:
Conspiracies--United States
Kennedy, John F. (John Fitzgerald), 1917-1963
Kennedy, John F. (John Fitzgerald), 1917-1963--Assassination.
Princeton subject headings:
Kennedy, John F. (John Fitzgerald), 1917-1963--Assassination.