Columbia subject headings:
Martin, Frank, 1890-1974. Operas.
Martin, Frank, 1890-1974. Oratorios.
Harvard subject headings:
Martin, Frank, 1890-1974. Ballets.
Martin, Frank, 1890-1974. Incidental music.
Martin, Frank, 1890-1974. Mystère de la Nativité
Martin, Frank, 1890-1974. Operas.
Opera
Opera--20th century
Princeton subject headings:
Martin, Frank, 1890-1974. Mystère de la Nativité.
Martin, Frank, 1890-1974. Operas.
Opera.