Downs Robert B. Ed. <br/><br/>
Union catalogs in the United States 
Downs Robert B. Ed. 
 -  1942 
<br/><br/><label>Standard No.: </label>9,512 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:595u73:N3, H2 (2D)