"Petit had attained the highest degree of success and influence in his profession.His historic "Expositions internationales de Peinture" had featured works by Claude Monet, Camille Pissarro, Pierre-Auguste Renoir, Auguste Rodin, John Singer Sargent, Alfred Sisley and James McNeill Whistler – and he conducted the sales of the works of Degas, after that artist's death in 1917.