Columbia subject headings:
Beckingen (Germany)--History.
Teutonic Knights. Commandery of Beckingen--History.
Teutonic Knights. Commandery of Trier--History.
Trier (Germany)--History.
Harvard subject headings:
Teutonic Knights. Commandery of Beckingen--History.
Teutonic Knights. Commandery of Trier--History.
Princeton subject headings:
Teutonic Knights. Commandery of Beckingen
Teutonic Knights. Commandery of Trier