American Universities Field Staff Reports 

 - Hanover  Aufs  1973 
 - nos.3,5 
 -  19 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>504s:73:N6
<br/><br/><label>Dewey Class. No.: </label>504s:73:N6  / K2.16