Columbia subject headings:
Kennedy, Robert F., 1925-1968--Assassination.
Sirhan, Sirhan Bishara, 1944-
Harvard subject headings:
Kennedy, Robert F., 1925-1968--Assassination.
Sirhan, Sirhan Bishara, 1944-.
Princeton subject headings:
Kennedy, Robert F., 1925-1968--Assassination.
Sirhan, Sirhan Bishara, 1944-