Above The cover of the sheet music for a song called Camouflage: A Soldier's Song, with words by F.P. Drowne and music by Harry C. Zerfing (1918).
From "Camoufleurs Makes Seven Course Dinner Disappear" in the Chicago Daily Tribune, March 17. 1918, p. 8—
The camoufleurs of Camp Grant, Chicago artists and cartoonists, who are proficient in the art of making things disappear, caused a seven course dinner to vanish last night in the club rooms of the Advertising Association. Numerous camouflage stunts added "pep" to the function.