Columbia subject headings:
Harvard subject headings:
Chillón River Valley (Peru)--History--Sources.
Coca industry--Peru--Chillón River Valley--History--Sources.
Coca industry--Peru--History--16th century.
Indians of South America--Land tenure--Peru--Chillón River Valley.
Indians of South America--Peru--Chillón River Valley--History--Sources.
Princeton subject headings:
Coca--Peru.
Indians of South America--Peru--Land tenure.