Columbia subject headings:
Harvard subject headings:
Executive privilege (Government information)--United States
National security--United States
United States--Foreign relations--1961-1963.
United States--Foreign relations--1963-1969.
United States. Special Assistant to the President for National Security Affairs.
Princeton subject headings:
Executive privilege (Government information)--United States.
National security--United States.
United States--Foreign relations--1961-1963.
United States--Foreign relations--1963-1969.
United States. Special Assistant to the President for National Security Affairs