Release: NBER Macrohistory Database
Source: Dow Jones
This NBER data series m13022 appears on the NBER website in Chapter 13 at http://www.nber.org/databases/macrohistory/contents/chapter13.html.
NBER Indicator: m13022
National Bureau of Economic Research, Railroad Bond Yields, Second Grade for United States [M13022USM156NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M13022USM156NNBR, January 21, 2018.