Columbia subject headings:
Basilica di San Marco (Venice, Italy)
Christian art and symbolism--Italy--Venice--Medieval, 500-1500.
Mosaics, Medieval--Italy--Venice.
Mosaics--Italy--Venice.
Harvard subject headings:
Architecture, Medieval--Italy--Venice.
Baptisteries--Italy--Venice.
Basilica di San Marco (Venice, Italy)
Mosaics, Medieval--Italy--Venice--Byzantine influences.
Venice (Italy)--Buildings, structures, etc.
Princeton subject headings:
Basilica di San Marco (Venice, Italy)