 His next work, "Toloza", an epic poem about the invasion of the Albigenses by Simon de Montfort, came in 1882, to further acclaim.He produced a volume of short poems, "Li Roumancero Provengal", in 1887, followed by a collection of prose stories, "La Paplino", in 1891.In 1891 (succeeding Joseph Roumanille), Gras was elected 3rd Capoulie (president) of Le Félibre Rouge, a literary and cultural association founded by Frédéric Mistral (1st Capoulie) and other Provençal writers to defend and promote the Provençal language and Provençal literature.