Columbia subject headings:
Harvard subject headings:
Azores--History--Autonomy and independence movements.
Azores--Politics and government.
Constitutional history--Portugal
Decentralization in government--Azores--History.
Decentralization in government--Madeira Islands--History.
Madeira Islands--History--Autonomy and independence movements.
Madeira Islands--Politics and government.
Princeton subject headings:
Azores--History--Autonomy and independence movements.
Azores--Politics and government.
Constitutional history--Portugal.
Decentralization in government--Azores--History.
Decentralization in government--Madeira Islands--History.
Madeira Islands--History--Autonomy and independence movements.
Madeira Islands--Politics and government.