Series Is Presented Here As Two Variables--(1)--Seasonally Adjusted Data, 1939-1948 (2)--Original Data, 1948-1969. Source: Data Were Compiled By Summing Series (Sales By Retail Stores) Plus Series (Manufacturers' Shipments, Total) Plus Series (Wholesale Sales, Total Trade)
This NBER data series m06102a appears on the NBER website in Chapter 6 at http://www.nber.org/databases/macrohistory/contents/chapter06.html.
NBER Indicator: m06102a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Manufacturing and Trade Sales, Total for United States [M0602AUSM144SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0602AUSM144SNBR/, November 25, 2015.