Sexual physiology and hygiene : an exposition, practical, scientific, moral, and popular, of some of the fundamental problems in sociology / by R.T. Trall.

Licence: Public Domain Mark

Credit: Sexual physiology and hygiene : an exposition, practical, scientific, moral, and popular, of some of the fundamental problems in sociology / by R.T. Trall. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.