J. Ciechowicz, “Theatre Made of Circus (by the Example of „Jocko – Brasilian Monkey”, 1825)”, 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. 85–95. doi: 10.18778/8142-227-7.05.