Columbia subject headings:
Germany--History--Charles V, 1519-1556--Sources.
Interim of Augsburg (1548)
Magdeburg (Germany)--History--16th century--Sources.
Reformation--Sources.
Harvard subject headings:
Lutheran Church--Germany--Magdeburg--Apologetic works.
Magdeburg (Germany)--Church history--Sources.
Reformation--Germany--Magdeburg--Sources.
Princeton subject headings: