Federal Reserve Bank of Dallas. "Regulation Q -- Interest on Deposits, Circular No. 77-52," District Notices (Federal Reserve Bank of Dallas) (April 28, 1977). https://fraser.stlouisfed.org/scribd/?item_id=542313&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19770428_no77-052.pdf&start_page=1, accessed on September 26, 2017.
Amended Supplement, Effective 7-6-77. New Category of Time Deposits for Individual Retirement Accounts and Keogh Plans.