Clarke, Edwin Leavitt, <br/><br/>
The art of straight thinking / 
Edwin leavitt clarke 
 - New York,  London,  D. Appleton and company,  1929. 
 - p. cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking.<br/>Science--Methodology.<br/>Social problems.<br/>Prejudices.<br/>Propaganda. [
<br/><br/><label>Dewey Class. No.: </label>153  / CLA N29A