Columbia subject headings:
Harvard subject headings:
Alchemy--Religious aspects--Christianity
Constellations in art.
Doorways, Romanesque--Italy--Turin.
Portale dello Zodiaco (Turin, Italy)
Sacra di San Michele (Abbey : Turin, Italy)
Stone doorways--Italy--Turin--History--To 1500.
Zodiac in art.
Princeton subject headings:
Christian art and symbolism--Italy--Turin.
Sacra di San Michele (Abbey : Turin, Italy)
Symbolism in art.