Pollard, Alfred W.  1859-1944 <br/><br/>
Factors in American history / 
by A.F. Pollard. 
 - London :  Cambride University Press,  1925. 
 - vi , 327 p. :  ill.: maps ;  19 cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History<br/>United States--Relations--Great Britain