Library catalogs  their preservation and maintenance by photographic and automated techniques 
ed. by James W. Henderson and Joseph A. Rosenthal 
 - Cambridge  M I T  1969 
 - xi, 267p. 
<br/><br/><label>ISBN: </label>26258011x 
<br/><br/><label>LCCN: </label>68-56866 
<br/><br/><label>Dewey Class. No.: </label>025.3  / N691