Columbia subject headings:
Harvard subject headings:
Entre Ríos (Argentina)--Economic conditions--20th century.
Entre Ríos (Argentina)--Economic policy.
Rural development--Argentina--Entre Ríos--History--20th century.
Princeton subject headings:
Entre Ríos (Argentina)--Economic conditions.
Entre Ríos (Argentina)--Economic policy.
Rural development--Argentina--Entre Ríos--History.