Columbia subject headings:
Cagliari (Italy)--History.
Cagliari (Italy)--Kings and rulers--Biography.
Guglielmo, di Massa, -1214.
Santa Igia (Extinct city)
Harvard subject headings:
Cagliari (Italy)--History.
Cagliari (Italy)--Kings and rulers--Biography.
Guglielmo, di Massa, -1214.
Santa Igia (Extinct city)
Princeton subject headings:
Cagliari (Italy)--History.
Cagliari (Italy)--Kings and rulers--Biography.
Guglielmo, di Massa, d. 1214.
Santa Igia (Extinct city)