Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany--Biography
Hayessen, Egbert, 1913-1944
Hayessen, Egbert, 1913-1944--Family.
Plötzensee Prison (Berlin)--History.
World War, 1939-1945--Personal narratives, German
Princeton subject headings:
Anti-Nazi movement--Germany--Biography.
Heyessen, Egbert, 1913-1944--Family.
Heyessen, Egbert, 1913-1944.
Operation Valkyrie, 1944.
Soldiers--Germany--Biography.
Strafanstalt Plötzensee--History.
World War, 1939-1945--Personal narratives, German.