Columbia subject headings:
Agriculture--Economic aspects--Algeria--History.
Algeria--Economic conditions.
Algeria--History--1830-1962.
Algeria--Social conditions.
Harvard subject headings:
Agriculture--Economic aspects--Algeria--History.
Algeria--Economic conditions.
Algeria--History--1830-1962.
Algeria--Social conditions.
Princeton subject headings:
Algeria--Economic conditions.
Algeria--History--1830-1962.
Algeria--Social conditions.