E. Głuszko-Boczoń, “A Clown’s True Colors in Thomas Mann’s Short Story „Mario and the Magican” and Heinrich Böll’s Novel „The Clown””, in Not just the Clown and the Tiger. Sketches about Circus Arts, M. Leyko and Z. Snelewska-Stempień, Eds. Poland: Lodz University Press, 2019, pp. 141–151. doi: 10.18778/8142-227-7.09.