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