His magnum opus is (Paris, 1868), which was awarded a prize by the It consists of three parts: • Part I () begins with a summary of the history of preaching in the early church, and in France prior to the eleventh century, and then gives an exhaustive history of French preachers in the following centuries, especially the thirteenth. • Part II () deals with the audiences, the time and the place of preaching, and the various kinds of sermons. • Part III () is a study of all social classes of French society in the
Middle Ages as it appears in the light of the sermons. His other publications include: • (1873) • (1874) • (1877) • (1880) • (1881) • (1884) • (1892) ==References==