Columbia subject headings:
Harvard subject headings:
Carthusians--Germany--Jülich--History.
Carthusians--Germany--Jülich.
Jülich (Germany)--Church history.
Kartause zum Vogelsang (Jülich, Germany)--History.
Kartause zum Vogelsang (Jülich, Germany).
Princeton subject headings:
Carthusians--Germany--Jülich.
Jülich (Germany)--Church history.
Kartause zum Vogelsang (Jülich, Germany)