The role of classification in the modern American library / 
University of Illinois Graduate School of Library Science. 
 - Michigan:   University of Illinois,  1959. 
 - 133p.;  22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Dewey Class. No.: </label>025.4  / ROL