Huebner, Steven (2006). "Fervaal". French Opera at the Fin de Siècle: Wagnerism, Nationalism and Style. Oxford University Press, US. p. 319. ISBN978-0-19-518954-4.
Ross, James (2003). "D'Indy's Fervaal: Reconstructing French Identity at the 'Fin de Siècle'". Music & Letters. 84 (2): 209–240. doi:10.1093/ml/84.2.209.
Schwartz, Manuela (1998). "Symbolic structures and elements in the opera Fervaal of Vincent d'Indy". Contemporary Music Review. 17 (3): 43–56. doi:10.1080/07494469800640191.