Columbia subject headings:
Labor unions--Peru--Lambayeque (Department)
Labor--Peru--Lambayeque (Department)
Lambayeque (Peru : Department)--Economic conditions.
Harvard subject headings:
Labor unions--Peru--Lambayeque (Department)
Labor--Peru--Lambayeque (Department)
Lambayeque (Peru : Department)--Economic conditions.
Princeton subject headings:
Capitalism--Peru--Lambayeque (Dept.)--History.
Labor unions--Peru--Lambayeque (Dept.)--History.
Lambayeque (Peru : Department)--Economic conditions.
Lambayeque (Peru : Department)--Social conditions.
Peasants--Peru--Lambayeque (Dept.)--History.