Columbia subject headings:
Botany, Medical--History--To 1500.
Materia medica, Vegetable--History--To 1500.
Medicinal plants--History--To 1500.
Harvard subject headings:
Botany, Medical--History--To 1500.
Materia medica, Vegetable--History--To 1500.
Medicinal plants--History--To 1500.
Princeton subject headings:
Botany, Medical--History--To 1500.
Materia medica, Vegetable--History--To 1500.
Medicinal plants--History--To 1500.