Columbia subject headings:
Fonte Gaia (Siena, Italy)
Fountains--Conservation and restoration--Italy--Siena.
Jacopo, della Quercia, approximately 1374-1438.
Harvard subject headings:
Fonte Gaia (Siena, Italy)
Fountains--Conservation and restoration--Italy--Siena.
Jacopo, della Quercia, 1372?-1436.
Jacopo, della Quercia, approximately 1374-1438--Criticism and interpretation.
Sculpture, Italian--Italy--Siena.
Sculpture--Conservation and restoration--Italy--Siena.
Sculpture--Italy--Siena.
Princeton subject headings:
Fonte Gaia (Siena, Italy)
Jacopo, della Quercia, 1372?-1436--Criticism and interpretation.
Sculpture--Italy--Siena--Conservation and restoration.
Sculpture--Italy--Siena.