Source: Board of Governors of the Federal Reserve System (US)  

Release: H.4.1 Factors Affecting Reserve Balances (data not included in press release)

Units:  Billions of Dollars, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Data prior to 1991 are from various issues of Banking and Monetary Statistics and the Annual Statistical Digest. Data from 1991 forward are calculated using data from the H.4.1 Release - Factors Affecting Reserve Balances.
As of March 1, 2019, this series is calculated as a monthly average of fred.stlouisfed.org/series/WCURCIR.

Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Dollars, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Source: Federal Reserve Board, Data For 1917-1933: Annual Report, 1928, Pp. 50-52; 1932, P. 52; 1933, P. 94. Data For 1934-1945: Banking And Monetary Statistics, P. 372. Data For 1946-1965: Supplement To Banking And Monetary Statistics, Pp. 56-60; And Federal Reserve Bulletins.

This NBER data series m14064 appears on the NBER website in Chapter 14 at http://www.nber.org/databases/macrohistory/contents/chapter14.html.

NBER Indicator: m14064

Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Dollars, Seasonally Adjusted

Frequency:  Monthly

Notes:

Series Is Presented Here As Two Variables--(1)--Seasonally Adjusted Data, 1867-1906 (2)--Seasonally Adjusted, 1907-1946 (3)--Original Data, 1947-1968 (4)--Seasonally Adjusted, 1947-1968. Data Represent Vault Cash Of All Banks Subtracted From Currency In Circulation Outside The Treasury And Federal Reserve Banks. Data Are For The Wednesday Nearest The End Of The Month. Source: Friedman And Schwartz, Monetary Statistics Of The United States (NBER, 1970), Table 27, Column 3, Pp. 402-415.

This NBER data series m14125a appears on the NBER website in Chapter 14 at http://www.nber.org/databases/macrohistory/contents/chapter14.html.

NBER Indicator: m14125a

Source: Federal Reserve Bank of St. Louis  

Release: St. Louis Monthly Reserves and Monetary Base  

Units:  Billions of Dollars, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Updates of this series will be ceased on December 20, 2019. Interested users can construct a proxy by summing Currency in circulation (H.4.1 release); Service Related Balances and Adjustments (H.4.1 release); and Reserve Balances with FR Banks (H.4.1 release). The discontinued series plotted on the same graph with the calculated data can be accessed for comparison at https://fred.stlouisfed.org/graph/?g=oJ6w
For more details, see the FRED Announcement.