Columbia subject headings:
Businessmen--United States--Biography.
Forest products industry--United States--History.
Weyerhaeuser Company--History.
Weyerhaeuser, John Philip, 1899-1956.
Harvard subject headings:
Businessmen--United States--Biography
Forest products industry--United States--History.
Weyerhaeuser Company--History.
Weyerhaeuser, John Philip, 1899-1956.
Princeton subject headings:
Businessmen--United States--Biography.
Forest products industry--United States--History.
Weyerhaeuser Company--History.
Weyerhaeuser, John Philip, 1899-1956.