Columbia subject headings:
Harvard subject headings:
Indian children--Gran Chaco.
Indian dolls--Gran Chaco.
Indians of South America--Games--Gran Chaco.
Pilaga Indians--Social life and customs.
Pilaga children--Gran Chaco.
Play assessment (Child psychology)--Gran Chaco.
Play--Gran Chaco.
Princeton subject headings:
Indian children--South America.
Pilaga Indians.
Play.