By Alan Scherstuhl

Picture Stories of the Sex Life of Man and Woman

Author: Dr. David H. Keller, “America’s most consulted sexologist”

Publisher: Cadillac Publishing Company, New York

Date: 1941

Discovered at: Collection of Nancy Hulston, Director of Archives at the University of Kansas Medical Center

The Cover Promises: “317 Instructive Pictures Explaining How Sex Functions in Human Beings”

author’s guide to female anatomy:

also:

more here, at the source of the article.