Conférences de M.M. Pascal Duprat, Callier, Jules Simon, Chavée, Dall'Ongaro, Podesta, Grün, Deschaxel, Morel, Baron, Romain Cornut, Madier-Montjau, Bancel, Moke, Reece, Veydt, Burggraeve, Ch. le Hardy de Beaulieu, Guillery, Mazeman, Geniller.undboek