Columbia subject headings:
Harvard subject headings:
Africa, Portuguese-speaking--Politics and government--20th century.
Africa, Portuguese-speaking--Politics and government--21st century.
Political parties--Africa, Portuguese-speaking.
Political parties--Portugal
Portugal--Politics and government--20th century
Portugal--Politics and government--21st century.
Princeton subject headings:
Africa, Portuguese-speaking--Politics and government--20th century.
Africa, Portuguese-speaking--Politics and government--21st century.
Political parties--Africa, Portuguese-speaking.
Political parties--Portugal.
Portugal--Politics and government--20th century.
Portugal--Politics and government--21st century.