Waugh, Frederick V.  1898-1974. <br/><br/>
Graphic analysis :  applications in agricultural economics. 

 - Washington,  U.S. Dept. of Agriculture, Economic Research Service ; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,  1968] 
 - ii, 78 p.  illus.  26cm. 
 - Agriculture handbook  no. 326. .
<br/><br/> Cover title.  "Supersedes Graphic analysis in agricultural economics, Agriculture handbook no. 128." 
<br/><br/>"Literature cited" : p. 78. 
<br/><br/><label>LCCN: </label>agr67000094  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Research<br/>Graphic methods
<br/><br/><label>LC Class. No.: </label>HD1425  / .W28 
<br/><br/><label>Dewey Class. No.: </label>338.1/01/84