TY - BOOK AU - Hanna,Frank Allan TI - State income differentials, 1919-1954 PY - 1959/// CY - Durham, N. C. PB - Duke University Press KW - Income KW - United States N1 - 'The final report of the Study of differences in State per capita incomes, which was supported jointly by Duke University and the Rockefeller Foundation.'; Bibliographical footnotes ER -