Series Has Been Reduced To 2 Variables, As Follows: (1) Original Data, 1920-46; (2) Original Data, 1946-63. Source: Bureau Of The Census
This NBER data series m02266b appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: m02266b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Private Commercial, Industrial, and Public Utility Construction for United States [M0266BUSM398NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0266BUSM398NNBR/, July 28, 2015.