Columbia subject headings:
Koch, Fritz, 1900-
Mayors--Germany--Oldenburg--Biography.
Oldenburg (Germany)--History.
World War, 1939-1945--Germany--Oldenburg.
World War, 1939-1945--Personal narratives, German.
Harvard subject headings:
Koch, Fritz, 1900-
Mayors--Germany--Oldenburg--Biography.
Oldenburg (Germany)--Biography.
Oldenburg (Germany)--History.
World War, 1939-1945--Germany--Oldenburg.
World War, 1939-1945--Personal narratives, German.
Princeton subject headings:
Koch, Fritz, 1900-
Mayors--Germany--Oldenburg--Biography.
Oldenburg (Germany)--History.
World War, 1939-1945--Germany--Oldenburg.
World War, 1939-1945--Personal narratives, German.