Columbia subject headings:
Harvard subject headings:
Briefs, Papal--History--To 1500--Sources.
Consular reports--Italy--Pisa--History--To 1500--Sources.
Pisa (Italy)--History--To 1500--Sources.
Princeton subject headings:
Local officials and employees--Italy--Pisa--Selection and appointment--History--Sources.
Pisa (Italy)--Politics and government--Sources.