Series Is Presented Here As Two Variables--(1)--Original Data, 1901-1929 (2)--Original Data, 1924-1942. Data In The First Segment Represent Earnings After Deduction Of Interest On Bonds And Fixed Charges Of Subsidiary Companies. Source: Commercial And Financial Chronicle.
This NBER data series m09007a appears on the NBER website in Chapter 9 at http://www.nber.org/databases/macrohistory/contents/chapter09.html.
NBER Indicator: m09007a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Net Operating Income, U.S. Steel Corporation for United States [M0907AUSM174NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0907AUSM174NNBR/, November 25, 2015.