Onanism, or, A treatise upon the disorders produced by masturbation, or, the dangerous effects of secret and excessive venery / By M. Tissot ; translated from the last Paris edition, by A. Hume.

Licence: Public Domain Mark

Credit: Onanism, or, A treatise upon the disorders produced by masturbation, or, the dangerous effects of secret and excessive venery / By M. Tissot ; translated from the last Paris edition, by A. Hume. Source: Wellcome Collection.