Columbia subject headings:
Aeronautics--United States--Biography.
Wright, Orville, 1871-1948.
Wright, Wilbur, 1867-1912.
Harvard subject headings:
Aeronautics--United States--Biography
Wright, Orville, 1871-1948.
Wright, Wilbur, 1867-1912.
Princeton subject headings:
Aeronautics--United States--Biography.
Wright, Orville, 1871-1948.
Wright, Wilbur, 1867-1912.