Federal Reserve Bank of Dallas. "Iranian Assets Control Regulations, Circular No. 80-138," District Notices (Federal Reserve Bank of Dallas) (July 16, 1980). https://fraser.stlouisfed.org/scribd/?item_id=541066&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19800716_no80-138.pdf&start_page=1, accessed on October 23, 2017.
Proposed Amendment to the Treasury Department Regulations. Regarding Types of Blocked Iranian Property to Be Held in Interest-bearing Status