by Various Authors
by Anton Giulio Barrili
by Giuseppe Chiarini
by vicomte de Eugène-Melchior Vogüé
by Giovanni Pascoli
by A. (Angelo) Mosso
by Cesare Lombroso
by Ernesto Masi
by Guido Pompilj
by Adolfo Venturi
by Vittorio Fiorini
by Francesco Saverio Nitti
by Ferdinando Martini
by Enrico Panzacchi