Federal Reserve Bank of Dallas. "Preliminary Announcement, Exchange Offering," District Notices (Federal Reserve Bank of Dallas) (October 12, 1960). https://fraser.stlouisfed.org/title/5569/item/551172, accessed on April 19, 2024.
Federal Reserve Bank of Dallas. "Preliminary Announcement, Exchange Offering," District Notices (Federal Reserve Bank of Dallas) (October 12, 1960). https://fraser.stlouisfed.org/title/5569/item/551172, accessed on April 19, 2024.