Columbia subject headings:
Italy--Church history--16th century.
Lucca (Italy)--Religious life and customs.
Harvard subject headings:
Counter-Reformation--Italy--Congresses.
Italy--Church history--16th century--Congresses.
Reformation--Italy--Congresses.
Princeton subject headings:
Catholic Church--Italy--History--16th century.
Italy--Church history--16th century.
Lucca (Italy)--Religious life and customs.
Reformation--Italy.