Board of Governors of the Federal Reserve System (U.S.), 1935-. Federal Reserve Announces the Extension of Its Temporary U.S. Dollar Liquidity Swap Lines With Nine Central Banks Through December 31, 2021, June 16, 2021, Board of Governors of the Federal Reserve System : Documents Relating to the COVID-19 Pandemic. https://fraser.stlouisfed.org/archival/6116/item/604206, accessed on September 12, 2024.