Encyclopaedia of associations 

 - 15th ed. 
 - Michigan:   Gale Research Company,   1980 
 - xii, 1562p. 
<br/><br/> Vol. 1 National organization of the US 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedic
<br/><br/><label>Universal Decimal Class. No.: </label>R 06(03)(73)  / M0.1