Gorer, Richard. <br/><br/>
The Collingridge Handbook of Hardy Foliage Plants 
Gorer, Richard. 
 - England  Collingridge Books  1983 
 - 2nd ed 
<br/><br/><label>ISBN: </label>0600368092 
<br/><br/><label>LC Class. No.: </label>SB-421.G67-1983