Release: NBER Macrohistory Database
Series Is Presented Here As Two Variables--(1)--Original Data, 1948-1961 (2)--Original Data, 1959-1968. Source: U.S. Bureau Of The Census, Business Cycle Developments, August 1966 And Subsequent Issues.
This NBER data series m13047b appears on the NBER website in Chapter 13 at http://www.nber.org/databases/macrohistory/contents/chapter13.html.
NBER Indicator: m13047b
National Bureau of Economic Research, Yield on New Issues of High-Grade Corporate Bonds, First National City Bank for United States [M1347BUSM156NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M1347BUSM156NNBR, September 25, 2017.