Columbia subject headings:
Alden Biesen (Belgium)--History.
Historic buildings--Conservation and restoration--Belgium--Limburg (Province)
Limburg (Belgium : Province)--History, Local.
Teutonic Knights. Commandery of Alden Biesen--History.
Harvard subject headings:
Alden Biesen (Belgium)--History.
Historic buildings--Conservation and restoration--Belgium--Limburg (Province)
Limburg (Belgium : Province)--History, Local.
Teutonic Knights. Commandery of Alden Biesen--History.
Princeton subject headings:
Alden Biesen (Belgium)--History.
Teutonic Knights--Buildings--History.