Series Is Presented Here As Three Variables--(1)--Original Data, 1867-1886 (2)--Original Data, 1882-1924 (3)--Original Data, 1919-1940. For July 1882-1938, Data Include Waste Raw Silk; For The Period 1867-1924, Data Is For Total Imports. Figures For September, 1922 Covers September 1-21. Figures For October, 1922, Covers September 22-October 31. Source: Monthly Summary Of Foreign Commerce
This NBER data series m07037b appears on the NBER website in Chapter 7 at http://www.nber.org/databases/macrohistory/contents/chapter07.html.
NBER Indicator: m07037b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Raw Silk Imports for United States [M0737BUSM589NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0737BUSM589NNBR/, July 31, 2015.