Ciechowicz, Jan. “Theatre Made of Circus (by the Example of „Jocko – Brasilian Monkey”, 1825)”. In Not Just the Clown and the Tiger. Sketches about Circus Arts, edited by Małgorzata Leyko and Zofia Snelewska-Stempień, 85–95. Poland: Lodz University Press, 2019. Accessed January 25, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1130/chapter/3043.