Columbia subject headings:
Harvard subject headings:
Basilica di S. Giovanni in Laterano.
Christian antiquities--Italy--Rome.
Excavations (Archaeology)--Italy--Rome
Excavations (Archaeology)--Vatican City.
Rome (Italy)--Antiquities, Roman.
Rome (Italy)--Buildings, structures, etc.
Vatican City--Buildings, structures, etc.
Princeton subject headings:
Basilica di S. Giovanni in Laterano.
Excavations (Archaeology)--Italy--Rome.
Rome (Italy)--Antiquities.