AutoriArthur Schopenhauer3M. Schoebel1G. Tiberghien1Edgar Bourloton1Charles Leveque1Emile Boutmy1A. Bertauld1Emile Saigey1Pierre Siciliani1Alfred Binet1Sir John Lubbock1G. J. Romanes1P. Blaserna1Max Nordau1John Lubbock1David Ferrier1Herbert Spencer1E. Barthez1Louis Liard1