Federal Reserve Bank of Dallas. "Holidays, Circular No. 77-145," District Notices (Federal Reserve Bank of Dallas) (December 27, 1977). https://fraser.stlouisfed.org/scribd/?item_id=542406&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19771227_no77-145.pdf&start_page=1, accessed on October 21, 2017.
Holidays, Schedule for Federal Reserve Bank of Dallas and Its Branches at El Paso, Houston, and San Antonio to Be Observed in 1978