Swift, Edgar James,  1860- <br/><br/>
Business power through psychology / 
by Edgar James Swift 
 - London :  Charles Scribner's,  1925 
 - 397 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Applied<br/>Industrial efficiency<br/>Salesmen and salesmanship