Columbia subject headings:
Hildegard, Saint, 1098-1179.
Logos (Christian theology)--History.
Logos (Philosophy)--History.
Reason--History.
Harvard subject headings:
Hildegard, Saint, 1098-1179
Logos (Christian theology)--History.
Reason--History.
Princeton subject headings:
Hildegard, Saint, 1098-1179.
Logos (Christian theology)
Reason.
Word of God (Christian theology)