Columbia subject headings:
Political participation--Peru--San Martín de Porras (Lima)--History--20th century.
Rural-urban migration--Peru--San Martín de Porras (Lima)--History--20th century.
San Martín de Porras (Lima, Peru)--Economic conditions.
San Martín de Porras (Lima, Peru)--History.
San Martín de Porras (Lima, Peru)--Social conditions.
Harvard subject headings:
Political participation--Peru--San Martín de Porras (Lima)--History--20th century.
Rural-urban migration--Peru--San Martín de Porras (Lima)--History--20th century.
San Martín de Porras (Lima, Peru)--Economic conditions.
San Martín de Porras (Lima, Peru)--History.
San Martín de Porras (Lima, Peru)--Social conditions.
Princeton subject headings:
Migration, Internal--Peru--Lima Metropolitan Area.
San Martín de Porras (Lima, Peru)--Social conditions.