Columbia subject headings:
Church and state--Italy--Palermo--History.
Palermo (Italy)--Church history.
Harvard subject headings:
Church and state--Italy--Palermo--History--16th century.
Church and state--Italy--Palermo--History--17th century.
Palermo (Italy)--Church history.
Palermo (Italy)--History.
Sicily (Italy)--History--15th-18th centuries
Princeton subject headings:
Palermo (Italy)--Church history.
Palermo (Italy)--History.
Sicily (Italy)--History--15th-18th centuries.