Columbia subject headings:
Art, Italian--Italy--Florence.
Florence (Italy)--Civilization.
Hercules (Roman mythological character)--Art.
Harvard subject headings:
Art, Italian--Italy--Florence
Art, Medieval--Italy--Florence.
Art, Renaissance--Italy--Florence
Hercules (Roman mythological character)--Art.
Princeton subject headings:
Art, Italian--Italy--Florence.
Florence (Italy)--Civilization.
Hercules (Roman mythological character)--Art.