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 1922," Federal Reserve Bulletin (August 1922) : 81-81. https://fraser.stlouisfed.org/title/62/item/20539/toc/187919 , accessed on April 19, 2024.