The Home Study Course Manipulative Technique. By Dr. Paul Wendel. Stapled soft cover. with a paper spine cover. The covers are a stiff card covers. Illustrated with fine line drawings of all the major body systems and their respective diseases. Plus drawing o the placement of hands and positions for therapeutic techniques. Most o the theories and techniques are from the 19th century. There is no reliable copyright date for this particular publication. probable mid-twentieth Century.