Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Dollars per Pound, Not Seasonally Adjusted

Frequency:  Monthly

Series Has Been Subdivided Into Two Variables: (1)-- Original Data, 1890-1919; (2)--Original Data, 1917-1941. Data Refers To Japanese Raw Silk, Filatures, 78%, 13-15, Double Extra Crack. Data Are Average Of Weekly Quotations And Have Been Checked With "Survey Of Current Business", Bls Bulletins, And"Wholesale Prices". Source: 1917-1918: Bls Bulletin No. 269; 1919-1937: Bls Files; 1938-1941:"Wholesale Prices"

This NBER data series m04126b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04126b