Niceforo, Il Gergo nei Normali, etc., 1897, cap. V.
Debreyne, Mœchialogie, p. 64. Yet theologians and casuists, Debreyne remarks, frequently never refer to masturbation in women.
Stanley Hall, op. cit., vol. i, p. 34. Hall mentions, also, that masturbation is specially common among the blind.