A guide to common insects and diseases of forest trees in the Northeastern United States / 
Forest Insect and Disease Management, Forest Service, U.S. Department of Agriculture, Northeastern Area, State and Private Forestry. 
 - Broomall, PA. :  Washington, D.C. :  Forest Insect and Disease Management ;  for sale by the Supt. of Docs., U.S. Govt. Print. Off.,  1979. 
 - vi, 127 p. :  ill. ;  23 cm. 
<br/><br/> "NA-FR-4."  Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest insects--Identification.--Northeastern States<br/>Trees--Diseases and pests--Identification.--Northeastern States
<br/><br/><label>LC Class. No.: </label>SB763.N67  / U54 1979 
<br/><br/><label>Dewey Class. No.: </label>634.9/67/0974