Columbia subject headings:
Berio, Luciano, 1925-2003. Sequenza, no. 3.
Choral music--20th century--History and criticism.
Ligeti, György, 1923-2006. Nouvelles aventures.
Lutosławski, Witold, 1913-1994. Poèmes d'Henri Michaux.
Vocal music--20th century--History and criticism.
Harvard subject headings:
Vocal music--20th century--History and criticism.
Princeton subject headings:
Berio, Luciano, 1925-2003. Sequenza, no. 3
Choral music--20th century--History and criticism.
Ligeti, György, 1923- Nouvelles aventures.
Lutosłowski, Witold, 1913- Poèmes d'Henri Michaux.
Vocal music--20th century--History and criticism.