Textbook of dendrology 
William M. Harlow and other. 
 - 8th ed.. 
 - New York  McGraw Hill  1986 
 - ix,534p., ill.; 24cm. 
<br/><br/><label>ISBN: </label>0-07-027572-0. 
<br/><br/><label>Dewey Class. No.: </label>582.16  / T29T