These Data Are For General Imports Through 1933 And For Consumption From 1934-1953. Source: Survey Of Current Business July, 1951, Pp. 27-28 For 1929-1949 Data; Quarterly Summary Of Foreign Commerce For 1950-1952. 1953 Data Are From Survey Of Current Business.
This NBER data series q07051 appears on the NBER website in Chapter 7 at http://www.nber.org/databases/macrohistory/contents/chapter07.html.
NBER Indicator: q07051
Release: NBER Macrohistory Database
National Bureau of Economic Research, Value Index of Imports For Consumption for United States [Q07051USQ345NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q07051USQ345NNBR/, July 5, 2015.