Columbia subject headings:
Intelligence service--United States.
Legislative oversight--United States.
United States--Politics and government--1945-1989.
Harvard subject headings:
Intelligence service--United States.
Legislative oversight--United States.
United States--Politics and government--1945-1989.
Princeton subject headings:
Intelligence service--United States.
Legislative oversight--United States.
United States--Politics and government--1945-1989.