De Voto, Bernard Augustine,  1897-1955 <br/><br/>
The course of empire / 
B.A. De Voto ; with maps by Erwin Raisz 
 - Boston :  Houghton Mifflin ,  1952. 
 - xvii, 647 p. :  maps (part col.) ;  22 cm. 
<br/><br/>Includes bibliographical references : p.561-631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indians of North America--History
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Territorial expansion<br/>North America--Discription & exploration
<br/><br/><label>Dewey Class. No.: </label>973.1