Columbia subject headings:
Harvard subject headings:
Hildegard, Saint, 1098-1179
Medicine, Medieval.
Pharmacognosy--History.
Princeton subject headings:
Hildegard, Saint, 1098-1179.
Materia medica, Vegetable--Germany.
Medicinal plants--Germany.
Medicine, Medieval.
Pharmacognosy.
Pharmacopoeias--Germany.