Columbia subject headings:
Harvard subject headings:
Cagliari (Italy)--History--Sources.
Harbors--Law and legislation--Italy--Cagliari (Sardinia)--History.
Harbors--Law and legislation--Italy--Pisa--History.
Ordinances, Municipal--Italy--Cagliari.
Pisa (Italy)--Colonies.
Princeton subject headings:
Harbors--Italy--Cagliari.