Producing several busts, such as those of the Comte de Clarac (commissioned in 1852 for the Louvre), the architect Fontaine (1854–1858), Ferdinand de Lesseps and the composer Halévy, Arnaud also produced monumental works such as the "Le Chasseur à pied" and "L'Artilleur" for the pont de l'Alma in 1856-57 - with "Le Zouave" et "Le Grenadier" by Georges Diebolt, these symbolised the victory of France and her allies at the Battle of the Alma in the Crimean War on 20 September 1854. He conceived the tympanum and 35 statues relating to the life of the Virgin for Sées's cathedral in 1852 and, for his birthplace of La Rochelle, he designed a monument to M. Fleuriau de Bellevue (bust and bas-relief in bronze) in 1853.