Graebner, Norman A. <br/><br/>
Empire on the pacific :  a study in American continental expansion / 
Norman A. Graebner 
 - New York :  Ronald Press,  1955 
 - ix, 278 p. :  maps. ;  21 cm. 
<br/><br/>Bibliographical references included in'Notes' (p. 229-257) 'Bibliographical essay':  p. 258-265 
<br/><br/><label>LCCN: </label>55-010664 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Territorial expansion<br/>Pacific States--History<br/>United States--Politics and government--1845-1849