Fergus Charles <br/><br/>
Trees of Pennsylvania and the Northeast / 
Charles Fergus ; illustrations by Amelia Hansen. 
 - 1st ed. 
 - Mechanicsburg, PA :  Stackpole Books,  2002. 
 - xiii, 272 p. :  ill., map ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 259-260) and indexes. 
<br/><br/><label>ISBN: </label>0811720926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Pennsylvania--Identification<br/>Trees--Northeastern States--Identification
<br/><br/><label>LC Class. No.: </label>QK183