Columbia subject headings:
Harvard subject headings:
Agricultural colonies--Spain--Andalusia--History--Congresses.
Agricultural colonies--Spain--Sierra Morena Region--History--Congresses.
Andalusia (Spain)--Population--History--Congresses.
Land settlement--Spain--Andalusia--History--Congresses.
Land settlement--Spain--Sierra Morena Region--History--Congresses.
Sierra Morena Region (Spain)--Population--History--Congresses.
Princeton subject headings:
Charles III, King of Spain, 1716-1788.
Cities and towns--Spain--History--18th century--Congresses.
New towns--Spain--History--18th century--Congresses.
Planned communities--Spain--History--18th century--Congresses.
Spain--Population policy--History--18th century--Congresses.
Spain--Population--History--18th century--Congresses.
Urbanization--Spain--History--18th century--Congresses.