Koestler, Arthur, 1905-  Koestler, Arthur, 1905- <br/><br/>
The roots of coincidence. 

 - [London] :  Pan Books,  [1974] 
<br/><br/>Bibliography: p. 151-156. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychical research.<br/>Extrasensory perception.