Columbia subject headings:
Air pilots, Military--Czechoslovakia--Biography.
Air pilots, Military--Great Britain--Biography.
Vickers Wellington (Bomber)
World War, 1939-1945--Aerial operations, British.
World War, 1939-1945--Aerial operations, Czech.
Harvard subject headings:
Air pilots, Military--Czechoslovakia--Biography.
Air pilots, Military--Great Britain--Biography
Vickers Wellington (Bomber)
World War, 1939-1945--Aerial operations, British.
World War, 1939-1945--Aerial operations, Czech.
Princeton subject headings: