Builder, Carl H., <br/><br/>
Patterns in American intellectual frontiers / 
Carl Builder ; prepared for the United States Army. 
 - vii, 23 pages ;  28 cm. 
 - A Rand note ;  N-2917-A .
 - Rand note ;  N-2917-A .
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Intellectual life