Columbia subject headings:
Harvard subject headings:
Hennig, Horst.
Medicine, Military--Germany--History.
Physicians--Germany--Biography
Political persecution--Germany--History.
Surgeons--Germany--Biography.
Princeton subject headings:
Hennig, Horst.
Medicine, Military--Germany--History.
Physicians--Germany--Biography.
Political persecution--Germany--History.
Surgeons--Germany--Biography.