D'Anna, E J <br/><br/>
Letter: NLM catalog cards.  [electronic resource] 

 -  Bulletin of the Medical Library Association  Oct 1975 
 - 427-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0025-7338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cataloging<br/>National Library of Medicine (U.S.)<br/>United States