Release: NBER Macrohistory Database
Data Show Changes In Freight Car Rates Of Fifty Representative Agricultural Products. Source: U.S. Department Of Agriculture, Division Of Statistical And Historical Research, Yearbook, 1923, P. 1177; 1926, P. 1248.
This NBER data series m03013 appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.
NBER Indicator: m03013
National Bureau of Economic Research, Freight Rate Index for United States [M03013USM324NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M03013USM324NNBR, July 19, 2017.