Columbia subject headings:
Alabaster sculpture, Italian--Italy--Volterra.
Leaning Tower (Pisa, Italy)--In art.
Towers in art.
Harvard subject headings:
Alabaster sculpture, Italian--Italy--Volterra.
Leaning Tower (Pisa, Italy)--In art.
Towers in art
Princeton subject headings:
Alabaster sculpture, Italian--Italy--Volterra.
Leaning Tower (Pisa, Italy)--In art.
Towers in art.