Series Is Presented Here As Two Variables--(1)--Original Data, 1878-1914 (2)--Original Data, 1914-1949. Source: Computed By NBER Using Data From The U.S. Treasury Department Data: Annual Reports Of The Secretary, 1886 And Following Years; Circulation Statements Of U.S. Money, 1887 And Following Years.
This NBER data series m14138a appears on the NBER website in Chapter 14 at http://www.nber.org/databases/macrohistory/contents/chapter14.html.
NBER Indicator: m14138a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Silver Outside The Treasury for United States [M1438AUSM144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M1438AUSM144NNBR/, July 3, 2015.