Columbia subject headings:
Church buildings--Italy--Pisa--History--Sources.
Gorgona (Monastery)--History--Sources.
Pisa (Italy)--Church history--Sources.
S. Vito (Church : Pisa, Italy)--History--Sources.
S. Vito (Monastery : Pisa, Italy)--History--Sources.
Harvard subject headings:
Gorgona (Monastery)--History--Sources.
Pisa (Italy)--Church history--Sources.
S. Vito (Church : Pisa, Italy)--History--Sources.
S. Vito (Monastery : Pisa, Italy)--History--Sources.
Princeton subject headings:
Gorgona (Monastery)--History--Sources.
Pisa (Italy)--Church history--Sources.
S. Vito (Church : Pisa, Italy)--History--Sources.
S. Vito (Monastery : Pisa, Italy)--History--Sources.