Columbia subject headings:
Madeira (Madeira Islands)--Economic conditions.
Madeira (Madeira Islands)--Population.
Madeira (Madeira Islands)--Social conditions.
Harvard subject headings:
Madeira (Madeira Islands)--Economic conditions.
Madeira (Madeira Islands)--Population.
Madeira (Madeira Islands)--Social conditions.
Princeton subject headings:
Madeira (Madeira Islands)--Economic conditions.
Madeira (Madeira Islands)--Population.
Madeira (Madeira Islands)--Social conditions.