Columbia subject headings:
Monastero di S. Leonardo della Matina (Siponto, Italy)--Congresses.
Siponto (Italy)--Church history--Congresses.
Siponto (Italy)--History--Congresses.
Teutonic Knights--History--Congresses.
Harvard subject headings:
Monastero di S. Leonardo della Matina (Siponto, Italy)--Congresses.
Siponto (Italy)--Church history--Congresses.
Siponto (Italy)--History--Congresses.
Teutonic Knights--History--Congresses.
Princeton subject headings:
Monastero di S. Leonardo della Matina (Siponto, Italy)--Congresses.
Siponto (Italy)--Church history--Congresses.
Siponto (Italy)--History--Congresses.
Teutonic Knights--History--Congresses.