Data Have Been Checked With Those In L.P. Ayres, Turning Points In Business Cycles, (New York, 1939), Pp. 192-201. Discrepancies Were Checked By Summing Individual Items,"Railroad," "Industrial," Etc., From The Journal Of Commerce. Data Do Not Cover Issues Of Banks, Trust Or Insurance Companies, Federal Or State Governments Or Municipalities Or Real Estate Bonds. Included Are "Railroad," "Industrial," "Public Utility," "Financial," And "Farm Loan Bonds". Data Could Be Compiled Through 1945, But 1941-1945 Data Are Not Reliable. Source: Journal Of Commerce, Second And Third Issues Of Each January, 1907 Onwards.
This NBER data series m10006 appears on the NBER website in Chapter 10 at http://www.nber.org/databases/macrohistory/contents/chapter10.html.
NBER Indicator: m10006
Release: NBER Macrohistory Database
National Bureau of Economic Research, Total Corporate Issues, Bonds, Notes, and Stocks, Including Refunding, U.S., Canadian, and Foreign [M10006M144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M10006M144NNBR/, August 28, 2015.