One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Capus, Alfred". Encyclopædia Britannica. Vol. 5 (11th ed.). Cambridge University Press. p. 296. This cites Édouard Quet, Alfred Capus (1904), with appreciations by various authors, in the series of Célébrités d'aujourd'hui.