He initially painted symbolist, religious and mythological subjects; later, he produced numerous portraits and genre scenes. He exhibited from 1887 at the Paris Salon, winning an award with merit in 1888, a third-class medal in 1889, and a first-class medal in 1892.[2] He exhibited at the 1900 Exposition Universelle in Paris, where he won a bronze medal.[1]
Lobstein, Dominique (2021). "Deully, Eugène-Auguste-François". In Andreas Beyer, Bénédicte Savoy and Wolf Tegethoff (eds.). Allgemeines Künstlerlexikon. Berlin, New York: K. G. Saur. De Gruyter.
Édouard-Joseph, René (1930). Dictionnaire biographique des artistes contemporains, Vol. 1: A–E. Paris: Art & Édition. pp. 405–406.
Exposition du peintre Eugène Deully, hors concours, chevalier de la Légion d'honneur, officier de l'ordre de Léopold de Belgique. Société anonyme, 1925.