Jacobson, Edmund,  1888-. <br/><br/>
Progressive relaxation :  a physiological and clinical investigation of muscular states and their significance in psychology and medical practice / 
by Edmund Jacobson. 
 - Chicago, Ill. :  University of Chicago Press,  1938. 
 - xvii, 493, 1 p. :  ill., diagrs. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rest.<br/>Relaxation.