Internationally dangerous forest tree diseases / 
by working group on International Cooperation in Forest Disease Research, Section 24, Forest Protection, International Union of Forestry Research Organizations. 
 - Washington, D.C. :  U.S. Dept. of Agriculture, Forest Service,  1963. 
 - vi, 122 p. ;  24 cm. 
 - Miscellaneous publication / United States Department of Agriculture ;  no. 939 .
 - Miscellaneous publication (United States. Department of Agriculture) ;  no. 939. .
<br/><br/> Supplement to Section 24-14, Proceedings of the 13th Congress, International Union of Forestry Research Organizations, Vienna 1961. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>agr63000427  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Diseases and pests.
<br/><br/><label>LC Class. No.: </label>S21  / .A46 no. 939 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84M no.939