Columbia subject headings:
Architecture, Romanesque--Italy--Porto Torres--Congresses.
Porto Torres (Italy)--Buildings, structures, etc.--Congresses.
S. Gavino di Torres (Church : Porto Torres, Italy)--Congresses.
Harvard subject headings:
Archaeology, Medieval--Italy--Porto Torres--Congresses.
Architecture, Romanesque--Italy--Porto Torres--Congresses.
Basilicas--Italy--Porto Torres--Congresses.
Excavations (Archaeology)--Italy--Porto Torres--Congresses.
Porto Torres (Italy)--Buildings, structures, etc.--Congresses.
S. Gavino di Torres (Church : Porto Torres, Italy)--Congresses.
Princeton subject headings:
Archaeology, Medieval--Italy--Porto Torres--Congresses.
Basilicas--Italy--Porto Torres--Congresses.
Excavations (Archaeology)--Italy--Porto Torres--Congresses.
Porto Torres (Italy)--Buildings, structures, etc.--Congresses.
S. Gavino di Torres (Church : Porto Torres, Italy)--Congresses.