Sinclair, William Angus,  1905- <br/><br/>
The conditions of knowing :  an essay towards a theory of knowledge / 
by Angus Sinclair. 
 - London :  Routledge & Kegan Paul,  1951. 
 - 260 p. ;  22 cm. 
 - International library of psychology, philosophy, and scientific method .
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, Theory of.
<br/><br/><label>Dewey Class. No.: </label>121  / SIC 1951