Columbia subject headings:
Indians of South America--Peru--Piura.
Peru--Antiquities.
Piura (Piura, Peru)--Antiquities.
Piura (Piura, Peru)--History.
Harvard subject headings:
Piura (Peru : Region)--History.
Tumbes (Peru : Department)--History.
Princeton subject headings:
Piura (Peru : Region)--History.
Tumbes (Peru : Department)--History.