Columbia subject headings:
Harvard subject headings:
Baptista, Pedro
Communism--Portugal--History--20th century.
Organização Comunista Marxista Leninista Portuguesa--History--20th century.
Portugal--Politics and government--1933-1974.
Princeton subject headings:
Baptista, Pedro.
Communism--Portugal--History--20th century.
Communists--Portugal--Biography.
Grito do povo.
Organização Comunista Marxista Leninista Portuguesa--Biography.
Portugal--Politics and government--1933-1974.