Series Is Presented Here As 4 Variables: (1) Original Data, 1920-46; (2) Original Data, 1939-46; (3) Seasonally Adjusted Data, 1946-63; (4) Annual Data Only, 1946-63. 1946 Break Results From 1964 Census Revisions. Source: See Introductory Notes On Bls-Dept. Of Commerce Data
This NBER data series a02188a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: a02188a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Private New Construction Activity, Commercial Buildings, Value In Constant Dollars for United States [A0288AUSA380NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0288AUSA380NNBR/, July 1, 2015.