Columbia subject headings:
Aztecs.
Botany--Mexico.
Materia medica, Vegetable.
Materia medica--Early works to 1800.
Harvard subject headings:
Aztecs
Botany--Mexico
Materia medica, Vegetable.
Materia medica--Early works to 1800.
Princeton subject headings:
Aztecs.
Botany--Mexico.
Materia medica, Vegetable.
Materia medica--Early works to 1800.