Outcault, R. F. "The Great Lawn Tennis Tournement in Hogan's Alley." Hogan's Alley. New York World 30 Aug. 1896. R. F. Outcault’s The Yellow Kid: A Centennial Celebration of the Kid Who Started the Comics. Northampton, Mass.: Kitchen Sink Press, 1995. Plate 32.

Free baths were a frequent demand of city reformers and residents:
"Popularity of the Free Baths." New York Times. 10 June 1890: 8. Proquest. University of Virginia Lib. 12 Jan. 2004.
"Tenements Their Topic." New York Times. 9 Jan. 1895: 2. Proquest. University of Virginia Lib. 12 Jan. 2004.
"Agree with the Seventy." New York Times. 4 April 1895: 9. Proquest. University of Virginia Lib. 12 Jan. 2004.
"Free Baths for the Public." New York Times. 4 June 1895: 12. Proquest. University of Virginia Lib. 12 Jan. 2004.