The R.J. Gunning Co. (Chicago) – Greatest of… At the Druggist – Cincinnati, OH
R. J. Gunning founded a firm in Chicago in 1873, while Thomas Cusack began competing against Gunning there in 1875 (Presbry 1929, p. 501). 0. J. Gude organized a billposting firm in the New York City borough of Brooklyn in 1878. The latter three companies soon became and remained for many years the leading outdoor advertising firms in the nation. – Donald W. Hendon and William F. Muhs (1985) ,”Origin and Early Development of Outdoor Advertising in the United States”, in SV – Historical Perspective in Consumer Research: National and International Perspectives, eds. Jagdish N. Sheth and Chin Tiong Tan, Singapore : Association for Consumer Research, Pages: 309-313. [https://www.acrwebsite.org/search/view-conference-proceedings.aspx?Id=12166]