Columbia subject headings:
Harvard subject headings:
Literary prizes--Congresses.
Literary prizes--Portugal--Congresses.
Politics and literature--Congresses.
Politics and literature--Portugal--Congresses.
Portuguese literature--Political aspects--Congresses.
Princeton subject headings:
Literary prizes--Congresses.
Literary prizes--Portugal--Congresses.
Politics and literature--Congresses.
Politics and literature--Portugal--Congresses.
Portuguese literature--Political aspects--Congresses.