Columbia subject headings:
Harvard subject headings:
Architecture, Romanesque--Italy--Lucca.
Cathedrals--Italy--Lucca.
Chiesa di San Michele in Foro (Lucca, Italy)
Church architecture--Italy--Lucca.
Lucca (Italy)--Buildings, structures, etc.
Princeton subject headings:
Chiesa di San Michele in Foro (Lucca, Italy)
Church architecture--Italy--Lucca.
Lucca (Italy)--Buildings, structures, etc.