International bibliography of directories 

 - 6 ed. 
 - Munchen :  Verlang Dokumentation Saur,  1978 
 - 473 p 
 - Handbook of International Documentation and Information  ; 5 .
 - Handbook of International Documentation and Information  ; 5 .
<br/><br/><label>LCCN: </label>25761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Directorios.
<br/><br/><label>Dewey Class. No.: </label>506.9016  / I58 1978