Columbia subject headings:
Koch, Erich, 1896-1986.
Nazis--Biography.
Harvard subject headings:
Koch, Erich, 1896-1986.
National socialism--Prussia, East (Poland and Russia)
Nazis--Germany--Biography
War criminals--Germany--Biography
World War, 1939-1945--Atrocities--Europe, Eastern.
Princeton subject headings:
Koch, Erich, 1896-1986.
Nazis--Biography.