Series Is Presented Here As Two Variables--(1)--Original Data, 1890-1951 (2)--Original Data, 1947-1956. Source: Bls, "Wholesale Price Index (1947-49=100), " Indexes For Groups, Subgroups, And Product Classes Of Commodities, 1947-1951, Issued February, 1952, For 1947-1950; Monthly Release On Wholesale (Primary Market) Price Index, 1952 And Following, For 1951 And 1953; Bls Bulletin No. 1143, For 1952.
This NBER data series m04097b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04097b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Wholesale Prices of Hides and Leather Products for United States [M0497BUSM349NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0497BUSM349NNBR/, November 28, 2015.