Sprague, Elmer <br/><br/>
Metaphysical thinking 
Elmer Sprague 
 - New York:  Oxford University Press,  1978. 
 - 162p. 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0-19-502263-7 
<br/><br/><label>Dewey Class. No.: </label>110  / SPM