LENAERTS, René Bernard. Charles van den Borren zum Gedächtnis (1874-1966) . Die Musikforschung, [S. l.], v. 19, n. 3, p. 241–243, 1966. Disponível em: https://mf.publia.org/mf/article/view/2285. Acesso em: 29 mai. 2026.