Columbia subject headings:
Harvard subject headings:
Businessmen--Political activity--United States.
Businessmen--United States--Biography
Businessmen--United States--Political activity.
Perot, Ross, 1930-2019
Presidential candidates--United States--Biography
Princeton subject headings:
Businessmen--United States--Biography.
Perot, H. Ross, 1930-
Presidential candidates--United States--Biography.