Ramsden, Hilary J. 2015. “Clowns, Buffoons and the Killing Laugh: An Investigation of the Clandestine Insurgent Rebel Clown Army’s (CIRCA) Power to Disrupt and Provoke through Joy and Humour”. The European Journal of Humour Research 3 (2/3):145-63. https://doi.org/10.7592/EJHR2015.3.2.3.ramsden.