Columbia subject headings:
Harvard subject headings:
Mafia--United States--History--20th century.
Organized crime investigation--United States--History--20th century.
Roemer, William F., Jr., 1926-1996
United States. Federal Bureau of Investigation--Officials and employees--Biography.
Princeton subject headings:
Mafia--United States--History--20th century.
Organized crime investigation--United States--History--20th century.
Roemer, William F., 1926-
United States. Federal Bureau of Investigation--Officials and employees--Biography.