Rhododendron handbook  
/ Rhododendron Group 
 - London:   Rhododendron Group,   1967 
 - 281p. 
<br/><br/> Part one (Rhododendron species in general cultivation); 281p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>582.912   / K7