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 injur'd 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 injur'd themselves by this abominable practice. Source: Wellcome Collection.