Middleton, William <br/><br/>
Sawflies injurious to rose foliage  / 
William Middleton 
 - Washington  :   Department of Agriculture 
 - 14 p. 
 - EUA. Dept. of agriculture Farmers' bull.; 1252 .
<br/><br/><label>LCCN: </label>203846 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tentheredinidae  Rosas -- Plagas