Columbia subject headings:
Braunschweig, Luther von, -1335.
Prussia (Germany)--History.
Teutonic Knights--Biography.
Harvard subject headings:
Braunschweig, Luther von, -1335.
Prussia (Germany)--History.
Teutonic Knights--Biography.
Princeton subject headings:
Braunschweig, Luther von, -1335.
Prussia (Germany)--History.
Teutonic Knights--Biography.