Barck, Oscar Theodore,  1902- <br/><br/>
Since 1900,  a history of the United States in our times 
Oscar Theodore Barck, Jr. [and] Nelson Manfred Blake. 
 - Rev. ed. 
 - New York,  Macmillan  1952 [Printed 1956] 
 - 903 p. :  illus. ;  24 cm. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--20th century.
<br/><br/><label>Dewey Class. No.: </label>973.91  / BAS  1956