Gowan, John Curtis <br/><br/>
Operations of increasing order  and other essays on exotic factors of intellect, unusual powers and abilities, etc.  as found in psychic science 
John Curtis Gowan. 
 - Westlake Village, Calif.  J.C. Gowan  1980. 
 - xxi, 384 p.  ill. 
<br/><br/>Bibliography : p. 373-383. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychical research