Family Income, Volume I
Kaplan, A. D. H. (Abraham David Hannath), 1893-1974 , United States. Bureau of Labor Statistics , United States. Works Progress Administration , Williams, Faith M. (Faith Moors), 1893- and Wulff, Erika Hartmann. "Family Income, Volume I" in Family Income and Expenditure in Chicago, 1935-36 : Bulletin of the United States Bureau of Labor Statistics, No. 642 (April 1938). https://fraser.stlouisfed.org/scribd/?item_id=494376&filepath=/files/docs/publications/bls/bls_0642_1939pt1.pdf&start_page=1, accessed on October 19, 2017.