Columbia subject headings:
Abbesses, Christian--Germany--Correspondence.
Christian saints--Germany--Correspondence.
Hildegard, Saint, 1098-1179--Correspondence.
Nuns--Germany--Correspondence.
Harvard subject headings:
Abbesses, Christian--Germany--Correspondence.
Christian saints--Germany--Correspondence.
Hildegard, Saint, 1098-1179. Correspondence.
Mysticism--Early works to 1800
Mysticism--History--Middle Ages, 600-1500
Nuns--Germany--Correspondence.
Princeton subject headings: