Collingwood, G. H.  1890-1958. <br/><br/>
Knowing your trees / 
by G H Collingwood and Warren D Brush Rev and edited by Devereux Butcher 
 - 348, [1] pages :  illustrations, maps ;  30 cm. 
<br/><br/> Bibliography: p. [349] 
<br/><br/><label>LCCN: </label>66007010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--United States.
<br/><br/><label>Dewey Class. No.: </label>634.90973