United States. Department of the Treasury. Letter to Mr. Martin, Box 16, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=457317&filepath=/files/docs/historical/martin/16_02_19510319.pdf, accessed on May 27, 2018.
Regarding 1967-72 bonds held by FOMC. From fiscal assistant secretary E.F.B.
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