A guide to historical method / 
edited by Robert Jones Shafer ... [et al.] 
 - rev. ed. 
 - Homewood, Ill., :  Dorsey Press,  1974. 
 - xiv, 255 p. ; 
<br/><br/><label>ISBN: </label>0256015252 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History-Methodology.--
<br/><br/><label>Dewey Class. No.: </label>907.2  / Gu