Columbia subject headings:
Arawak language--Grammar.
Arawakan Indians--Social life and customs.
Campa languages--Peru--Perene River Valley.
Perene River Valley (Peru)--Languages.
Harvard subject headings:
Arawak language--Grammar.
Arawak language--Social aspects.
Arawakan Indians--Social life and customs.
Campa languages--Peru--Perene River Valley.
Perene River Valley (Peru)--Languages.
Princeton subject headings:
Arawak language--Grammar.
Arawakan Indians--Social life and customs.
Campa languages--Peru--Perene River Valley.
Perene River Valley (Peru)--Languages.