Data base directory 

 - 4. ed 
 - New YorkUS  Knowledge Industry Publications  1986 
<br/><br/> IDS 
<br/><br/> Lists over 2600 databases accessible on line in North America.  Includes full text, textual and numeric, numeric, property, bibliographic, and referral online databases in all subject areas. 
<br/><br/><label>Universal Decimal Class. No.: </label>19.01.03 D232