Source: Leo Grebler, David M. Blank, And Louis Winnick, "Capital Formation In Residential Real Estate: Trends And Prospects, " Princeton University Press For NBER, 1956, Pp. 40-52, 336, And 362.
This NBER data series a02274 appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: a02274
Release: NBER Macrohistory Database
National Bureau of Economic Research, Expenditures For Additions and Alterations, Housekeeping Units, Constant Dollars for United States [A02274USA379NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A02274USA379NNBR/, October 9, 2015.