Series Has Been Subdivided Into Two Variables: (1)-- Original Data, 1890-1919; (2)--Original Data," 1917-1941. Data Refers To The Price Per Pound (01/1890-03/1897: On The 20Th Of Each Month; 04/1897-12/1919: On The 1St Of Each Month Except For 01/1909- 09/1909. From 12/1890-11/1891 The Prices Are For Extra To No. 1 1/2; From 12/1891-02/1898 For Extra To No. 1; From 03/1898-12/1919 For No. 1 Series Title Changes From Time To Time. Most Common Are --"Japanese Raw Silk Filatures", "Japanese Raw Silk Kansai", And "Japanese Raw Silk Kansai Filatures." Source: Bls Bulletins, Except 1909 Which Is From "Review Of Economic Statistics", January 1924, P. 28
This NBER data series m04126a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04126a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Japanese Raw Silk, Filatures for New York [M0426AUS000NYM292NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0426AUS000NYM292NNBR/, November 30, 2015.
FRED BlogFinding old inflation data