Federal Reserve Bank of Dallas. "Foreign Activities of Member Banks, Circular No. 75-137," District Notices (Federal Reserve Bank of Dallas) (September 11, 1975). https://fraser.stlouisfed.org/scribd/?item_id=542024&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19750911_no75-137.pdf&start_page=1, accessed on October 17, 2017.
Regulations M & O, Amendment to Regulation M, Effective 8-25-75; Revised Interpretation of Regulation O, Effective 8-25-75