The Clearinghouse directory :  a guide to information clearinghouses and their resources, services, and publications / 
Donna Batten, editor ; Shawn Brennan, contributing editor 
 - Detroit :  Gale Research,  1991 
 - 429 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0801377675  Hadiah 
 = The Clearinghouse directory :  a guide to information clearinghouses and their resources, services, and publications / 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Services--United States--Directories