Columbia subject headings:
Balearic Islands (Spain)--Economic conditions.
Balearic Islands (Spain)--Rural conditions.
Urbanization--Spain--Balearic Islands--History.
Harvard subject headings:
Balearic Islands (Spain)--Economic conditions.
Balearic Islands (Spain)--Rural conditions.
Urbanization--Spain--Balearic Islands--History.
Princeton subject headings:
Balearic Islands (Spain)--Economic conditions.
Balearic Islands (Spain)--Rural conditions.
Urbanization--Spain--Balearic Islands--History.