Columbia subject headings:
Harvard subject headings:
Agricultural implements--Peru--San Pedro de Casta.
Agriculture--Peru--San Pedro de Casta.
San Pedro de Casta (Peru)--Description and travel.
Traditional farming--Peru--San Pedro de Casta.
Princeton subject headings:
Agricultural implements--Peru--San Pedro de Casta.
Agriculture--Peru--San Pedro de Casta.
San Pedro de Casta (Peru)--Description and travel.