Federal Reserve Bank of Dallas. "Rates for Discounts and Advances, Circular No. 81-174," District Notices (Federal Reserve Bank of Dallas) (August 27, 1981). https://fraser.stlouisfed.org/scribd/?item_id=541355&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19810827_no81-174.pdf&start_page=1, accessed on October 21, 2017.
Bulletin 2, Supplement A, Rates for Discounts and Advances for Credit to Institution Under Sustain Pressure Effective 8-21-81; for Special Circumstances Effective 8-28-81. Others Unchanged (Circular No. 81-92, Dated 5-4-81).