Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Group Index Numbers-Dutch East Indies-Statistical Bureau," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1923," Federal Reserve Bulletin (June 1923) : 63-63. https://fraser.stlouisfed.org/title/62/item/20549/toc/227779 , accessed on July 16, 2024.