Columbia subject headings:
Beck, Melvin, 1913-
Intelligence officers--United States--Biography.
United States. Central Intelligence Agency--History.
World politics--1945-1989.
Harvard subject headings:
Beck, Melvin, 1913-
Intelligence officers--United States--Biography.
Intelligence service--United States--Biography.
United States. Central Intelligence Agency--History.
World politics--1945-
World politics--1945-1989
Princeton subject headings:
Beck, Melvin, 1913-
Intelligence officers--United States--Biography.
United States. Central Intelligence Agency--History.
World politics--1945-1989.