Hawley, Ralph C. <br/><br/>
Forest protection / 
Ralph C. Hawley and Paul W. Stickel. 
 - 2nd ed. 
 - New York :  John Wiley & sons,  1948. 
 - x, 355 p. :  24 cm. 
<br/><br/> Includes index. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forestry.<br/>Forest protection.
<br/><br/><label>Dewey Class. No.: </label>634.96 / H316f