Data Were Computed From Wartime Current Prices Divided By Money Which Had Been Centered To June 30 For Each Year. Source: Simon Kuznets, NBER
This NBER data series a14187 appears on the NBER website in Chapter 14 at http://www.nber.org/databases/macrohistory/contents/chapter14.html.
NBER Indicator: a14187
Release: NBER Macrohistory Database
National Bureau of Economic Research, Velocity of Money Stock for United States [A14187USA163NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A14187USA163NNBR, February 12, 2016.