Columbia subject headings:
Ate-Vitarte (Peru)--Economic conditions.
Ate-Vitarte (Peru)--Social conditions.
Industries--Peru--Ate-Vitarte.
Labor unions--Peru--Ate-Vitarte.
Harvard subject headings:
Ate-Vitarte (Peru)--Economic conditions.
Ate-Vitarte (Peru)--Industries.
Industries--Peru--Ate-Vitarte.
Labor unions--Peru--Ate-Vitarte.
Princeton subject headings:
Ate (Peru)--Economic conditions.
Industries--Peru--Ate.
Industries--Peru--Vitarte.
Labor unions--Peru--Ate.
Labor unions--Peru--Vitarte.
Vitarte (Peru)--Social conditions.