How Cracker Jack Came to Follow the Circus into TownCreated By: Ruhling, F.E Source/Publisher: Printers’ Ink April 7 1921, 76–83
Landor Design Collection, ca. 1930-1994Created By: Smithsonian Institution Publisher: Archives Center, National Museum of American History, Smithsonian Institution
Marketing Milwaukee: Schlitz and the Making of a National Beer BrandCreated By: Uwe Spiekermann Source/Publisher: Bulletin of the German Historical Institute 53 (2013): 55-67
