Columbia subject headings:
Pietism--Germany--Schleswig-Holstein--History.
Schleswig-Holstein (Germany)--Church history.
Harvard subject headings:
Pietism--Germany--Schleswig-Holstein--History.
Pietism--Germany--Schleswig-Holstein.
Schleswig-Holstein (Germany)--Church history.
Princeton subject headings:
Pietism--Germany (West)--Schleswig-Holstein.