Renaissance in Italy, Volume 1 (of 7) / The Age of the Despots

Renaissance in Italy, Volumes 1 and 2 / The Catholic Reaction

Renaissance in Italy Volume 3 / The Fine Arts

A Problem in Modern Ethics / being an inquiry into the phenomenon of sexual inversion, / addressed especially to Medical Psychologists and Jurists

The Life of Michelangelo Buonarroti

A Problem in Greek Ethics / Being an inquiry into the phenomenon of sexual inversion

New Italian sketches

Renaissance in Italy: Italian Literature / Part 1 (of 2)

Sketches and Studies in Italy and Greece, First Series

Renaissance in Italy: Italian Literature / Part 2 (of 2)

Sketches and Studies in Italy and Greece, Second Series