Columbia subject headings:
Harvard subject headings:
East and West--History--To 1500--Congresses.
Mediterranean Region--Description and travel--Congresses.
Travel, Medieval--Congresses.
Travelers--Italy--Venice--History--To 1500--Congresses.
Travelers--Italy--Venice--To 1500--Congresses.
Travelers--Mediterranean Region--History--To 1500--Congresses.
Travelers--Mediterranean Region--To 1500--Congresses.
Venice (Italy)--Civilization--Congresses.
Venice (Italy)--Description and travel--Congresses.
Princeton subject headings:
Pilgrims and pilgrimages--Italy--Venice--History--Congresses.
Venice (Italy)--Description and travel--Congresses.
Visitors, Foreign--Italy--Venice--History--Congresses.