Columbia subject headings:
Carnegie, Andrew, 1835-1919.
Industrialists--United States--Biography.
Philanthropists--United States--Biography.
Steel industry and trade--United States.
United States--Biography.
Harvard subject headings:
Carnegie, Andrew, 1835-1919
Industrialists--United States--Biography
Philanthropists--United States--Biography
Steel industry and trade--United States
United States--Biography.
Princeton subject headings:
Carnegie, Andrew, 1835-1919.
Industrialists--United States--Biography.
Philanthropists--United States--Biography.
Steel industry and trade--United States.
United States--Biography.