Source: Federal Works Agency-Department Of Treasury
This NBER data series a02223a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: a02223a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Federal Construction Expenditures For Public Works for United States [A0223AUSA550NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0223AUSA550NNBR/, December 1, 2015.