Columbia subject headings:
Battistero di San Giovanni (Pisa, Italy)
Church decoration and ornament--Italy--Pisa.
Stained glass windows--Conservation and restoration--Italy--Pisa.
Stained glass windows--Italy--Pisa.
Harvard subject headings:
Battistero di San Giovanni (Pisa, Italy)
Church decoration and ornament--Italy--Pisa.
Stained glass windows--Conservation and restoration--Italy--Pisa.
Stained glass windows--Italy--Pisa.
Princeton subject headings:
Battistero di San Giovanni (Pisa, Italy)
Church decoration and ornament--Italy--Pisa.
Stained glass windows--Conservation and restoration--Italy--Pisa.
Stained glass windows--Italy--Pisa.