Classics of free thought / 
edited by Paul Blanshard. 
 - Buffalo :  Prometheus Books,  [pref. 1977] 
 - xi, 190 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0879750715 :  $12.95 
<br/><br/><label>LCCN: </label>77073846 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Free thought.
<br/><br/><label>LC Class. No.: </label>BL 2710  / .C55 
<br/><br/><label>Dewey Class. No.: </label>211/.4/08