Columbia subject headings:
Harvard subject headings:
Catholic Church--History--16th century.
Catholic Church--History--17th century.
Counter-Reformation.
Protestantism--History--16th century.
Protestantism--History--17th century.
Reformation
Princeton subject headings:
Catholic Church--History--16th century.
Catholic Church--History--17th century.
Counter-Reformation.
Protestantism--History--16th century.
Protestantism--History--17th century.
Reformation.