"The Biology, Physiology and Sociology of Reproduction: Also Sexual Hygiene with Special Reference to the Male" by Winfield Scott Hall

Winfield Scott Hall was an American physiologist and writer. He studied physiology at Leipzig University and wrote on a variety of medical topics. Today, this book gives an idea of what people thought about sexuality in the early 20th century. At the time it was released, this was a valuable tool and text in the world of sexual wellness and health.