Note 11: Bing, cited work, pp. 3-4., And the same author's "Storm P.'s cartoon", reproduced in "Cartoon - from Storm P. to Valhalla. Exhibition / Workshop / Film Festival. Kunstmuseet Køge Sketch collection. October 17 to November 9, 1986 ”. Several of the American cartoon pioneers also began as cartoonists in varieties and similar places. This thus applies to several of the names mentioned in note 13.