Release: NBER Macrohistory Database
Borger Calls The Series"X". It Represents An Attempt At Complete Coverage, As Far As Concerns The Corporate Field Of Mining, Manufacturing, Construction, Public Utilities And Transportation (Except For Pipe Lines); And Partial Coverage Of Services (Laundries, Hotels, Restaurants, And Amusements, But Not Business Services). Source: Harold Borger, Outlay And Income In The United States: 1921-1938, (NBER, 1942), Pp. 297-299, Table 28.
This NBER data series q09048 appears on the NBER website in Chapter 9 at http://www.nber.org/databases/macrohistory/contents/chapter09.html.
NBER Indicator: q09048
National Bureau of Economic Research, Net Profits of All Corporations for United States [Q09048USQ144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/Q09048USQ144NNBR, September 1, 2016.