Columbia subject headings:
Harvard subject headings:
Germans--Namibia--Biography
Gries, Ernst August, 1879-1944.
Namibia--History--20th century--Sources.
Scientists--Germany--Biography
Soldiers--Germany--Biography
Teachers--Germany--Biography
Princeton subject headings:
Germans--Namibia--Biography.
Gries, Ernst August, 1879-1944.
Namibia--History--20th century--Sources.
Scientists--Germany--Biography.
Soldiers--Germany--Biography.
Teachers--Germany--Biography.