Graham, Samuel Alexander. <br/><br/>
Principles of forest entomology / 
Samuel Alexander Graham. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  c 1939. 
 - xvi, 410 p. :  ill.;  26 cm. 
 - McGraw-Hill Publications in the Zoological Sciences. .
<br/><br/> Includes index. 
<br/><br/>300  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest insects. 
<br/><br/><label>Dewey Class. No.: </label>634.96 / G76p