Clark, Thomas Dionysius,    1903- <br/><br/>
Frontier America :   the story of the westward movement /  
T. D. Clark 
 - New York :   Scribner ,   1959. 
 - 852 p. :    ill. ;    25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Frontier and pioneer life ----United States----
<br/><br/><label>Subjects--Geographic Terms: </label><br/> United States -- Territorial expansion
<br/><br/><label>Dewey Class. No.: </label>973 CLA