Cross Sections of the Fourth Federal Reserve District (1) NORTHWESTERN OHIO: Four Economic Areas including 22 Counties
Federal Reserve Bank of Cleveland. "Cross Sections of the Fourth Federal Reserve District (1) NORTHWESTERN OHIO: Four Economic Areas including 22 Counties," in Federal Reserve Bank of Cleveland. "December 1956: Supplement," Economic Review (Federal Reserve Bank of Cleveland) (December 1956) : 2-16. https://fraser.stlouisfed.org/title/1328/item/4253/toc/410756 , accessed on March 28, 2024.