Raper, Arthur Franklin,  1899- <br/><br/>
Guide to agriculture, U.S.A. / 
by Arthur F. Raper and Martha J. Raper. 
 - Washington, D.C. :  Office of Foreign Agricultural Relations and Bureau of Agricultural Economics, U.S. Dept. of Agriculture,  [1951]. 
 - iii, 82 p. :  ill., maps ;  26 cm. 
 - Agriculture information bulletin ;  no. 30 .
<br/><br/>"Selected references" : p. 79. 
<br/><br/><label>LCCN: </label>agr51000390  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--United States.
<br/><br/><label>LC Class. No.: </label>S21  / .A74 no. 30 
<br/><br/><label>Dewey Class. No.: </label>630.973 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84Ab no.30