8 For example, the little book of Gustave Le Bon—“Psychologie des Foules,” Paris: Felix Alcan—in which are formulated many gen­er­al­i­za­tions.

9 “The Psychology of Suggestion: a Research into the Subconscious Nature of Man and Society,” by Boris Sidis, with an Introduction by Prof. Wm. James. New York. 1903.

10 “Psychology of Suggestion,” p. 295.