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. "September 1924," Federal Reserve Bulletin (September 1924) : 61-61. https://fraser.stlouisfed.org/title/62/item/20564/toc/92712 , accessed on April 12, 2024.