Columbia subject headings:
Church buildings--Italy--Pisa.
Historic buildings--Italy--Pisa.
Pisa (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Medieval--Italy--Pisa.
Diotisalvi, active 1152--Criticism and interpretation.
Princeton subject headings:
Architecture, Medieval--Italy--Pisa.
Diotisalvi, active 1152--Criticism and interpretation.