United States. Department of Labor. Division of Negro Economics , Leavell, R. H. , Snavely, T. R. , Woofter, Thomas Jackson, 1893-1972 , Williams, W. T. B. (William Taylor Burwell), 1866-1941 and Tyson, Francis D. Negro Migration in 1916-17 , Washington: Government Printing Office, 1919, https://fraser.stlouisfed.org/title/5184, accessed on September 11, 2024.