Columbia subject headings:
Harvard subject headings:
Argentina--Languages--Dictionaries.
Ashluslay Indians--Gran Chaco--History.
Ashluslay Indians--Gran Chaco--Social life and customs.
Ethnobotany--Gran Chaco--Dictionaries.
Gran Chaco--History.
Guarani languages--Dictionaries--Spanish language.
Plant names, Popular--Gran Chaco--Dictionaries.
Princeton subject headings:
Argentina--Languages--Dictionaries.
Ashluslay Indians--Gran Chaco--History.
Ashluslay Indians--Gran Chaco--Social life and customs.
Ethnobotany--Gran Chaco--Dictionaries.
Gran Chaco--History.
Guarani languages--Dictionaries--Spanish language.
Plant names, Popular--Gran Chaco--Dictionaries.