Series Is Presented Here As Two Variables--(1)--Original Data, 1919-1935 (2)--Original Data, 1935-1942. Source: Survey Of Current Business, July 1926, Annual Supplements Of 1932 And 1936; Source For The July 1929 Figure Is From A Photostat Sent By The Survey Of Current Business.
This NBER data series m06036a appears on the NBER website in Chapter 6 at http://www.nber.org/databases/macrohistory/contents/chapter06.html.
NBER Indicator: m06036a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Sales Books, New Orders for United States [M0636AUSM389NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0636AUSM389NNBR/, September 3, 2015.