Federal Reserve Bank of Dallas. "Federal Reserve Services, Circular No. 80-191," District Notices (Federal Reserve Bank of Dallas) (October 9, 1980). https://fraser.stlouisfed.org/scribd/?item_id=541126&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19801009_no80-191.pdf&start_page=1, accessed on October 23, 2017.
Booklet. Brief Descriptions of All Services and the Proposed Schedule of Prices. Questionnaire on Use of Federal Reserve Services Enclosed.