Columbia subject headings:
Contemplation--Early works to 1800.
Prayer--Catholic Church--Early works to 1800.
Spiritual life--Catholic Church--Early works to 1800.
Harvard subject headings:
Contemplation--Early works to 1800.
Prayer--Catholic Church--Early works to 1800.
Spiritual life--Catholic Church--Early works to 1800.
Princeton subject headings:
Contemplation--Early works to 1800.
Monte dell'orazione--Criticism, Textual.
Prayer--Catholic Church--Early works to 1800.
Spiritual life--Catholic Church--Early works to 1800.