Federal Reserve Bank of Dallas. "Official Announcement, Circular No. 80-89," District Notices (Federal Reserve Bank of Dallas) (May 5, 1980). https://fraser.stlouisfed.org/scribd/?item_id=541015&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19800505_no80-089.pdf&start_page=1, accessed on October 22, 2017.
T. E. Spreng, Assistant Vice President, Has Elected to Take Early Retirement Effective 6-1-80. Complete List of Officers Effective 6-1-80.