Federal Reserve Bank of Dallas. "Amendments and Supplement to Regulation Q, Circular No. 80-65," District Notices (Federal Reserve Bank of Dallas) (April 1, 1980). https://fraser.stlouisfed.org/scribd/?item_id=540993&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19800401_no80-065.pdf&start_page=1, accessed on October 20, 2017.
Regulation Q Amendments, Interest on Deposits. Final Copy of All Amendments and a New Supplement. Effective 3-14-80.