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. For The Period 1919-1938 The Data Is For Total Imports Minus Re-Exports. For July 1930-August 1936, Cocoons Are Included, Not Being Separable From Waste Raw Silk. Their Relative Importance In Other Years Was Neglible. Source: Monthly Summary Of Foreign Commerce
This NBER data series m07037c appears on the NBER website in Chapter 7 at http://www.nber.org/databases/macrohistory/contents/chapter07.html.
NBER Indicator: m07037c
Release: NBER Macrohistory Database
National Bureau of Economic Research, Raw Silk Imports for United States [M0737CUSM589NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0737CUSM589NNBR, April 29, 2016.