Distribution of varieties and classes of wheat in the United States. 

 - Washington, DC :    U.S Dept. of Agriculture Economic Research Servi ce,    1964- 
 -   ill. ;    26 cm. 
 - Annual 
 - No. 369 (1964)- 
<br/><br/>  Latest issue consulted: No. 369 (1964). 
<br/><br/><label>Dewey Class. No.: </label>338.105