Knoles, George Harmon, ed. <br/><br/>
The responsibilities of power, 1900-1929. 

 - New York :  Free Press,  [c1967] 
 - vii, 459 p. 21 cm. 
 - Sourcex in American history, no.8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States--History--1901-1953--Sources
<br/><br/><label>LC Class. No.: </label>973.91  / K755