 These studies were crowned by his work "Persécuteurs et Martyrs" (Paris, 1893), in which he displays his knowledge of history and his deep Christian convictions.In 1883, Le Blant became director of the Ecole Française at Rome; his name figures between Geffroy and Louis Duchesne.In addition to his works mentioned above we may mention his collaboration with Jacquemart in "Histoire artistique, industrielle et commerciale de la porcelaine" (Paris, 1862); "Manuel d'épigraphie chrétienne" (Paris, 1869); "Les Actes des martyrs, Supplément aux Acta sincera' de Dom Ruinart" (Paris, 1882).