Gasson, Raphael. <br/><br/>
The challenging counterfeit. 

 - Plainfield, N.J. :  Logos International,  c1966. 
 - 92 p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spiritualism.<br/>Parapsychology.<br/>Parapsychology--Research.