The Total Of Manufacturing And Mining Includes Certain Groups Not Assignable To Either Of The Separate Groups (See Tables B-2 And B-3.) Source: Ralph L. Nelson, The Merger Movement In American Industry (NBER), An Unpublished Manuscript
This NBER data series q10094 appears on the NBER website in Chapter 10 at http://www.nber.org/databases/macrohistory/contents/chapter10.html.
NBER Indicator: q10094
Release: NBER Macrohistory Database
National Bureau of Economic Research, Merger Capitalizations In Manufacturing and Mining for United States [Q10094USQ144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q10094USQ144NNBR/, August 28, 2015.