National directory of newletters and reporting services :  a reference guide to national and international information services, financial services association bulletins and training and educational services / 
editor Robert C. Thomas 
 - 2nd ed. 
 - Detroit, Mich. :  Gale Research Co.,  1978 
 - 3v.(various pagings) ;  29 cm. 
<br/><br/><label>ISBN: </label>081030676X 
<br/><br/><label>LCCN: </label>77-99180 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Newletters--Directories<br/>Reporters and reporting--Directories