^"Cornelis Willem, Claussone, van sHertogenbossche figuersnyder in copper" (Peter van der Coelen, "Cornelis Bos: Where Did He Go? Some New Discoveries and Hypotheses about a Sixteenth-Century Engraver and Publisher", Simiolus: Netherlands Quarterly for the History of Art23.2/3 [1995:119-146] p. 119 note 3).
^Cornelis Bos, a study of the origins of the Netherlands grotesque, monogragh catalogue raisonné by Sune Schéle, 1965
