Source problems in United States history / 
by Andrew C. McLaughlin... [et.al.] 
 - New York :  Harper & , Publishers,  c1918 
 - xii, 513, [1] p. ;  20 cm. 
 - Harper's parallel source problems .
<br/><br/> Includes index 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--Sources
<br/><br/><label>Dewey Class. No.: </label>973