Series Is Presented Here As Two Variables--(1)-- Original Data, 1890-1920 (2)-- Original Data, 1913-1958. 1890-1918 Data Are First Of Month Prices. 1919-1922 Data Are Average Of Semi-Monthly Quotations. For 1890-1915, Data Refer To Prices Of Para Island Fine. For 1913- 1922, Data Refer To Prices Of Plantation, Ribbed Smoked Sheets. Source: Bls Bulletins And "Wholesale Prices"
This NBER data series m04077a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04077a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Rubber, Para Island Plantation for New York [M0477AUS000NYM267NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0477AUS000NYM267NNBR/, November 30, 2015.