Schimmelpfeng, Richard H. <br/><br/>
The use of the library of congress clasification 

 - Chicago :  American Library Association,  1968 
 - 245 p. 
<br/><br/><label>LCCN: </label>56012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clasificación de la Biblioteca del Congreso.
<br/><br/><label>Dewey Class. No.: </label>025.46  / S2