LEYKO, Małgorzata; SNELEWSKA-STEMPIEŃ, Zofia (EDS.). Introduction. In: Not just the Clown and the Tiger. Sketches about Circus Arts. Poland: Lodz University Press,2019. p. 7–17. DOI: 10.18778/8142-227-7.01. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1130/chapter/3028. Acesso em: 15 feb. 2026.