Summaries of doctoral dissertations. 

 - Chicago :  Northwestern university ,  1952 
 - xx,674p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Summaries <br/>doctoral dissertations
<br/><br/><label>Dewey Class. No.: </label>300  / NOR