Source: Bureau Of The Census Publications (See Introductory Notes On Bls-Department Of Commerce Data)
This NBER data series a02265 appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: a02265
Release: NBER Macrohistory Database
National Bureau of Economic Research, Private Nonfarm Residential Additions and Alterations, Value In Constant Dollars for United States [A02265USA382NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A02265USA382NNBR/, July 30, 2015.