Statistics sources :  a subject guide to data on industrial, business, social, educational, financial, and other topics for the United States and internationally / 
Jacqueline Wasserman O'Brien and Steven R. Wasserman, editors ; Kenneth Clansky, assistant editor. 
 - 14th ed. 
 - Detroit, Mich. :  Gale Research Inc.  1991, c1990. 
 - 2 v. ;  29 cm. 
<br/><br/> Coverage date used. 
<br/><br/><label>ISBN: </label>0810373750 (set) 0810373769 (v. 1) 0810373777 (v. 2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics--Bibliography.<br/>Statistical services.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Bibliography.