Columbia subject headings:
Augustinerchorfrauenstift Marienberg (Helmstedt, Germany)--History--Sources.
Convents--Germany--Helmstedt--History--Sources.
Helmstedt (Germany)--Church history--Sources.
Helmstedt (Germany)--History--Sources.
Harvard subject headings:
Augustinerchorfrauenstift Marienberg bei Helmstedt--History--Sources.
Helmstedt (Germany)--Church history--Sources.
Helmstedt (Germany)--History--Sources.
Princeton subject headings: