Columbia subject headings:
Harvard subject headings:
Composers--Portugal--Criticism and interpretation.
Lopes-Graça, Fernando, 1906-1994.
Music--Portugal--20th century--History and criticism.
Princeton subject headings:
Composers--Portugal--Criticism and interpretation.
Lopes-Graça, Fernando, 1906-1994.
Music--Portugal--20th century--History and criticism.