Board of Governors of the Federal Reserve System (US), Nonfinancial Corporate Business; Credit Market Instruments; Liability, Level [TCMILBSNNCB], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/TCMILBSNNCB/, July 22, 2015.
Board of Governors of the Federal Reserve System (US), Nonfinancial Corporate Business; Corporate Equities; Liability, Level [MVEONWMVBSNNCB], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/MVEONWMVBSNNCB/, July 22, 2015.