Series Is Presented Here As Two Variables--(1)--Original Data, 1919-1945 (2)--Original Data, 1938-1964. Source: American Railway Car Institute, "Railroad Car Facts: Statistics On Car Building And Car Repairing, " 1953 And 1954; See Also Monthly Releases Of Asci And The Survey Of Current Business.
This NBER data series m01150b appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01150b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Railroad Passenger Car Shipments, Domestic, Including Pullman Cars for United States [M0150BUSM488NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0150BUSM488NNBR/, November 30, 2015.