Columbia subject headings:
Ethnobotany--North America--Bibliography.
Ethnobotany--North America--Dictionaries.
Indians of North America--Medicine--Bibliography.
Indians of North America--Medicine--Dictionaries.
Harvard subject headings:
Ethnobotany--North America--Bibliography.
Ethnobotany--North America--Dictionaries.
Indians of North America--Medicine--Bibliography.
Indians of North America--Medicine--Dictionaries.
Princeton subject headings:
Ethnobotany--North America--Bibliography.
Ethnobotany--North America--Dictionaries.
Indians of North America--Ethnobotany--Bibliography.
Indians of North America--Ethnobotany--Dictionaries.
Indians of North America--Medicine--Bibliography.
Indians of North America--Medicine--Dictionaries.