Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Index of Ocean Freight Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1923," Federal Reserve Bulletin (August 1923) : 67-67. https://fraser.stlouisfed.org/title/62/item/20551/toc/124302 , accessed on March 29, 2024.