Series Has Been Subdivided Into Three Variables: (1)-- Original Data, 1913-1932; (2)-- Original Data, 1932-1937; (3)-- Original Data, 1937-1939. Data Refers To Daily Averages Of Quotations, Mill To Connecter As Quoted From The Trade Association. Source: Bls Files, Bulletins, And "Wholesale Prices"
This NBER data series m04151b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04151b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Spun Silk Yarn, Domestic Gray for United States [M0451BUSM292NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0451BUSM292NNBR/, November 26, 2015.