Columbia subject headings:
Harvard subject headings:
Germany. Heer. Geheime Feldpolizei--Biography.
Krichbaum, Wilhelm, 1896-1957.
Nazis--Germany--Biography
Organisation Gehlen--Biography.
Princeton subject headings:
Germany--Politics and government--1945-1990.
Krichbaum, Wilhelm, 1896-1957.
Organisation Gehlen.