Federal Reserve Bank of Dallas. "Supplement to Regulation D -- Reserves of Member Banks, Circular No. 78-170," District Notices (Federal Reserve Bank of Dallas) (December 6, 1978). https://fraser.stlouisfed.org/scribd/?item_id=542580&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19781206_no78-170.pdf&start_page=1, accessed on September 23, 2017.
Regulation D Reserves of Member Banks, Pamphlet Amended, Effective 7-6-78; Supplement Amended, Effective 11-2-78