Crowder, Richard. <br/><br/>
Carl Sandburg. 

 - Boston,  Twayne Publishers  [1964] 
 - 176 p.  21 cm. 
 - Twayne's United States authors series,  47 .
<br/><br/>Bibliography: p. 163-168. 
<br/><br/><label>LCCN: </label>63020606 //r902 
<br/><br/><label>Subjects--Personal Names: </label><br/>Sandburg, Carl, 1878-1967 --Criticism and interpretation.
<br/><br/><label>LC Class. No.: </label>PS 3537 .A618  / Z555