Husmann, George C. <br/><br/>
Grape investigations in the vinifera regions of the United States with reference  to resistant stocks. direct producers, and viniferas / 
George C. Husmann ; U.S. Department of agriculture 
 - Washington :  Government printing office,  1910. 
 - 86 p.:  tables, fig.+ a map  24 cm. 
 - Bulletin  No. 172 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant industry