Columbia subject headings:
Italy--Antiquities, Roman.
Maximian, Emperor of Rome, ca. 240-310--Homes and haunts--Italy--Piazza Armerina.
Piazza Armerina (Italy)--Antiquities, Roman.
Piazza Armerina (Italy)--Buildings, structures, etc.
Roman Villa of Casale (Piazza Armerina, Italy)
Harvard subject headings:
Architecture, Roman--Italy--Sicily.
Piazza Armerina (Italy)
Sicily (Italy)--Antiquities, Roman.
Princeton subject headings:
Mosaics, Roman--Italy--Sicily.
Piazza Armerina (Italy)--Antiquities, Roman.
Sicily (Italy)--Antiquities, Roman.