Columbia subject headings:
Pseudo-Dionysius, the Areopagite.
Theology--Early works to 1800.
Theology--History--Early church, ca. 30-600.
Harvard subject headings:
Pseudo-Dionysius, the Areopagite.
Sacraments--Early works to 1800
Symbolism in the Bible.
Princeton subject headings:
Pseudo-Dionysius, the Areopagite
Theology--History--Early church, ca. 30-600.