Columbia subject headings:
Harvard subject headings:
Carthusians--History.
Monasticism and religious orders--Europe--History.
Monasticism and religious orders--History.
Spiritual life--Catholic Church
Spiritual life--Christianity--History of doctrines
Princeton subject headings:
Carthusians--History.
Monasticism and religious orders--Europe--History.
Monasticism and religious orders--History.
Spiritual life--Catholic Church.
Spiritual life--Christianity--History of doctrines.