Columbia subject headings:
Hughes, Howard, 1905-1976.
Millionaires--United States--Biography.
Political corruption--United States.
United States--Politics and government--1945-1989.
Harvard subject headings:
Hughes, Howard, 1905-1976
Millionaires--United States--Biography
Political corruption--United States
Rich people--United States--Biography.
United States--Politics and government--1945-1989.
Princeton subject headings:
Hughes, Howard, 1905-1976.
Millionaires--United States--Biography.
Political corruption--United States.
United States--Politics and government--1945-1989.