Columbia subject headings:
Cities and towns--Growth--Sources.
Sicily (Italy)--History--15th-18th centuries--Sources.
Sicily (Italy)--Spanish influences--Sources.
Vittoria (Italy)--History--Sources.
Harvard subject headings:
Cities and towns--Growth--Sources.
Sicily (Italy)--History--15th-18th centuries--Sources.
Sicily (Italy)--Spanish influences--Sources.
Vittoria (Italy)--History--Sources.
Princeton subject headings:
Cities and towns--Growth--Sources.
Sicily (Italy)--Civilization--Spanish influences x Sources.
Sicily (Italy)--History--15th-18th centuries--Sources.
Vittoria (Italy)--History--Sources.