Below This camouflage cartoon by American artist Cliff Sterrett (1883-1964) was featured in a comic strip series called Polly and Her Pals. It was published in the Bridgeport Telegram (Bridgeport CT) on September 26, 1918.
A blog for clarifying and continuing the findings that were published in Camoupedia: A Compendium of Research on Art, Architecture and Camouflage, by Roy R. Behrens (Bobolink Books, 2009).