Columbia subject headings:
Christian pilgrims and pilgrimages--Italy--Congresses.
Italy--Civilization--1268-1559--Congresses.
Italy--Civilization--476-1268--Congresses.
Teutonic Knights--History--Congresses.
Via Romea di Stade (Germany and Italy)--Congresses.
Harvard subject headings:
Brenner Pass (Austria and Italy)--History--Congresses.
Christian pilgrims and pilgrimages--Germany--History--To 1500--Congresses.
Christian pilgrims and pilgrimages--Italy--History--To 1500--Congresses.
Roads--Germany--History--To 1500--Congresses.
Roads--Italy--History--To 1500--Congresses.
Teutonic Knights--Italy--Congresses.
Princeton subject headings:
Christian pilgrims and pilgrimages--Italy--Congresses.
Italy--Civilization--1268-1559--Congresses.
Italy--Civilization--476-1268--Congresses.
Teutonic Knights--History--Congresses.
Via Romea di Stade (Germany and Italy)--Congresses.