Ayer, A.J. <br/><br/>
Problem of knowledge 
A.J. Ayer 
 - London  Penguin Books  1956 
 - 223p.  17cm 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, Theory of
<br/><br/><label>Dewey Class. No.: </label>121  / AYE