""A Clean Skin, How To Get It And How To Keep It: Skin Diseases Of Constitutional Origin, Their Etiology, Pathology, And Treatment"" is a book written by John Wilkins Williams in 1864. The book provides a comprehensive guide to achieving and maintaining healthy skin. It discusses the various skin diseases that are caused by constitutional factors such as genetics, diet, and lifestyle, and provides an in-depth analysis of their etiology, pathology,...