Encyclopedia of associations. 

 - 20th ed. 
 - Detroit :  Gale Research Co.,  1986. 
 - v.  29 cm. 
 - Annual,  1975- 
 - Irregular,  1961-73 
<br/><br/> Editor: 4th-5th ed., F.G. Ruffner; 6th-11th ed., M. th ed., Katherine Gruber, Karin E. Koek, Susan M. Boyles and Michael A. Pare  v. 3, (Supplement to Vol.1 ) New Associations and projects, Issue Number I. Entries 19122-19896 
<br/><br/><label>ISBN: </label>0-8103-0130-x 
<br/><br/><label>ISSN: </label>0071-0202 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Associations, institutions, etc.--Directories.<br/>Associations, institutions, etc.--United States--Directories.