Hanna, Frank A.  1907- <br/><br/>
State income differentials, 1919-1954 / 
Frank A. Hanna 
 - Durham, N.C. :  Duke University Press,  1959 
 - xix, 268 p. ;  24 cm. 
<br/><br/> "The final report of the Study of differences in State per capita incomes, which was supported jointly by Duke University and the Rockefeller Foundation."  Includes index 
<br/><br/><label>ISBN: </label> USD 7.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Income--States--United States
<br/><br/><label>Dewey Class. No.: </label>339.410973