Columbia subject headings:
Harvard subject headings:
Colgan, Bill.
Fighter pilots--United States--Biography
United States. Air Force--Biography.
World War, 1939-1945--Aerial operations, American.
World War, 1939-1945--Personal narratives, American.
Princeton subject headings:
Colgan, Bill.
Fighter pilots--United States--Biography.
United States. Air Force--Biography.
World War, 1939-1945--Aerial operations, American.
World War, 1939-1945--Personal narratives, American.