Sinclair, Angus . <br/><br/>
The Conditions of Knowing: an Essay Towards a Theory of Knowledge /  Textual Documents 
Angus Sinclair. 
 - 1st ed. / 
 - London :  Routledge and Kegan Paul ,  1951. 
 - 260p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Philosophical essays G-Philosophy 
<br/><br/><label>Dewey Class. No.: </label>121  / Si 2 C