Source: Securities And Exchange Commission, Statistical Bulletin, May 1951 And Subsequent Issues
This NBER data series q10107 appears on the NBER website in Chapter 10 at http://www.nber.org/databases/macrohistory/contents/chapter10.html.
NBER Indicator: q10107
Release: NBER Macrohistory Database
National Bureau of Economic Research, New Securities Offered For Cash By Manufacturing Corporations, Estimated Gross Proceeds: Bonds for United States [Q10107USQ144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q10107USQ144NNBR/, August 30, 2015.