Columbia subject headings:
Germany--Church history--16th century.
Germany--Church history--17th century.
Theologians--Germany--16th century--Correspondence.
Theologians--Germany--17th century--Correspondence.
Harvard subject headings:
Germany--Church history--16th century
Germany--Church history--17th century
Theologians--Germany--16th century--Correspondence.
Theologians--Germany--17th century--Correspondence.
Princeton subject headings: