Columbia subject headings:
Kennedy, John F. (John Fitzgerald), 1917-1963--Assassination.
Oswald, Lee Harvey, 1934-1963.
Oswald, Lee Harvey.
Ruby, Jack, 1911-1967.
Harvard subject headings:
Kennedy, John F. (John Fitzgerald), 1917-1963--Assassination.
Oswald, Lee Harvey
Presidents--Assassination--United States
Ruby, Jack
United States. Warren Commission. Report of the President's Commission on the Assassination of President John F. Kennedy.
Princeton subject headings:
Kennedy, John F. (John Fitzgerald), 1917-1963--Assassination.