H. P. Luhn Pioneer of information science. selected works   
ed. by Claire K. Schultz 
 - New-York  Spartan Books  1968 
 - 320p. 
<br/><br/><label>LCCN: </label>67-30872 
<br/><br/><label>Dewey Class. No.: </label>029.708  / N68