Columbia subject headings:
Petersen, Johanna Eleonora.
Pietism--History.
Pietists--Germany--Biography.
Harvard subject headings:
Petersen, Johanna Eleonora.
Pietism--History.
Pietists--Germany--Biography.
Princeton subject headings:
Petersen, Johanna Eleonora.
Pietism--History.
Pietists--Germany--Biography.