Federal Reserve Bank of Dallas. "Delayed Return of Unpaid Cash Items," District Notices (Federal Reserve Bank of Dallas) (December 23, 1948). https://fraser.stlouisfed.org/scribd/?item_id=550740&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19481223a.pdf, accessed on December 15, 2017.
To the Member & Nonmember Clearing Banks) Regulation J and Bulletin No. 8 Supersedes #8 Dated June 1, 1946