Onania, or, The heinous sin of self-pollution : and all its frightful consequences (in both sexes) considered with spiritual and physical advice to those who have already injured themselves by this abominable practice.

Licence: Public Domain Mark

Credit: Onania, or, The heinous sin of self-pollution : and all its frightful consequences (in both sexes) considered with spiritual and physical advice to those who have already injured themselves by this abominable practice. Source: Wellcome Collection.