Columbia subject headings:
Businessmen--United States--Biography.
Hammer, Armand, 1898-1990.
Millionaires--United States--Biography.
Harvard subject headings:
Businessmen--United States--Biography
Capitalists and financiers--United States--Biography
Hammer, Armand, 1898-1990.
Millionaires--United States--Biography
Rich people--United States--Biography.
Statesmen--United States--Biography.
Princeton subject headings:
Businessmen--United States--Biography.
Hammer, Armand, 1897-
Millionaires--United States--Biography.