Columbia subject headings:
Fighter pilots--Germany--Biography.
Germany. Luftwaffe--Biography.
Germany. Luftwaffe--History--20th century.
Herrmann, Hajo, 1913-2010.
World War, 1939-1945--Aerial operations, German.
World War, 1939-1945--Personal narratives, German.
Harvard subject headings:
Fighter pilots--Germany--Biography
Germany. Luftwaffe--Biography.
Germany. Luftwaffe--History--20th century.
Herrmann, Hajo, 1913-
World War, 1939-1945--Aerial operations, German.
World War, 1939-1945--Personal narratives, German.
Princeton subject headings:
Fighter pilots--Germany--Biography.
Germany. Luftwaffe--Biography.
Germany. Luftwaffe--History--20th century.
Herrmann, Hajo, 1913-2010.
World War, 1939-1945--Aerial operations, German.
World War, 1939-1945--Personal narratives, German.