Columbia subject headings:
Chapters, Cathedral, collegiate, etc.--Italy--Pisa--History.
Pisa (Italy)--History--Sources.
Harvard subject headings:
Chapters, Cathedral, collegiate, etc.--Italy--Pisa--History.
Pisa (Italy)--History--Sources.
Princeton subject headings:
Chapters, Cathedral, collegiate, etc.--Italy--Pisa--History.
Pisa (Italy)--History--Sources.