Billington, Ray Allen,  1903-1981. <br/><br/>
Westward expansion :  a history of the American frontier / 
by Ray Allen Billington, with the collaboration of James Blaine Hedges. 
 - 4th ed. 
 - New York :  Macmillan,  1974. 
 - xix, 840 p. :  maps.  24 cm. 
<br/><br/>Bibliography: p. 663-805. and index. 
<br/><br/><label>ISBN: </label>0023098406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Frontier and pioneer life--West (U.S.)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Territorial expansion.<br/>United States--History.<br/>Mississippi River Valley--History--1803-1865.<br/>West (U.S.)--History.
<br/><br/><label>Dewey Class. No.: </label>973  / BIW 1974