Coombes, Allen J. <br/><br/>
Trees :  Smithsonian handbooks / 
Allen J. Coombes. 
 - New York :  covent garden books,  1981. 
 - 320 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780756660161 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shrubs and Ornamental trees.