Columbia subject headings:
Materia medica--History.
Materia medica--Mexico--History.
Pharmacy--History.
Pharmacy--Mexico--History.
Harvard subject headings:
Materia medica--History.
Materia medica--Mexico--History.
Pharmacy--History
Pharmacy--Mexico--History.
Princeton subject headings:
Materia medica--History.
Materia medica--Mexico--History.
Pharmacy--History.
Pharmacy--Mexico--History.