Release: NBER Macrohistory Database
Data Are For Factory Sales. Data Include Ambulances, Funeral Cars, Fire Apparatus, Street Sweepers, Buses And Road Tractors. Source: Data For 1913-1921: U.S. Department Of Commerce, Survy Of Current Business, June 1927, P. 22. Data For 1922-1940: U.S. Bureau Of The Census, Automobiles (Mimeograph Release).
This NBER data series m01144a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01144a
National Bureau of Economic Research, Automobile Production, Trucks for United States [M0144AUSM607NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M0144AUSM607NNBR, December 16, 2017.