Columbia subject headings:
Air pilots, Military--United States--Biography.
Bellinger, Patrick N. L., 1885-1962.
United States. Navy--Aviation--History.
United States. Navy--Biography.
Harvard subject headings:
Air pilots, Military--United States--Biography
Bellinger, Patrick N. L., 1885-1962.
United States. Navy--Aviation--History.
United States. Navy--Biography.
Princeton subject headings: