Columbia subject headings:
Polarity--Religious aspects--Christianity.
Reformation--Germany--Wittenberg (Saxony-Anhalt)
Harvard subject headings:
Polarity--Religious aspects--Christianity
Reformation--Germany--Wittenberg (Saxony-Anhalt)
Princeton subject headings:
Polarity--Religious aspects--Christianity.
Reformation--Germany--Wittenberg (Saxony-Anhalt).