Davison 1962, pp. 22–23, 25. Davison, Nigel (January 1962). "The Motets of Pierre de la Rue". The Musical Quarterly. 48 (1). Oxford University Press: 19–35. doi:10.1093/mq/xlviii.1.19. JSTOR740214.
Davison 1962, pp. 22–23, 25. Davison, Nigel (January 1962). "The Motets of Pierre de la Rue". The Musical Quarterly. 48 (1). Oxford University Press: 19–35. doi:10.1093/mq/xlviii.1.19. JSTOR740214.