Dayton, Texas Directory Listing of Businesses, 1919 (Dun Mercantile Reference)         Source: R. G. Dun & Company, Mercantile Agency Reference Book: A List of Banks and Bankers, State Collection Laws, Maps, etc. July 1919 Edition. New York, New York: R.G. Dun, 1919.         To view the key to the symbols used below, go here.