Family Income, Volume I
Hellman, Richard, 1913- , Kaplan, A. D. H. (Abraham David Hannath), 1893-1974 , United States. Bureau of Labor Statistics , United States. Works Progress Administration and Williams, Faith M. (Faith Moors), 1893-. "Family Income, Volume I" in Family Income and Expenditure in Nine Cities of the East Central Region, 1935-36 : Bulletin of the United States Bureau of Labor Statistics, No. 644 (1939). https://fraser.stlouisfed.org/scribd/?item_id=494380&filepath=/files/docs/publications/bls/bls_0644_1939pt1.pdf&start_page=1, accessed on September 20, 2017.