Barzun, Jacques,  1907- <br/><br/>
The modern researcher / 
J. Barzun; H. F. Graff. 
 - New York :  Harcourt, Brace & Company,  1957. 
 - XIII, 386 p. ;  22 cm. 
<br/><br/>Index p. 368-386 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--World<br/>Historiography