Of course, there are many other arts that are not included in this list, and some are more modern so they have not appeared.
"The Classification of Circus Techniques" by Hovey Burgess. The Drama Review: TDR, Vol. 14344425Aleeyah18, No. 1, Popular Entertainments (Mar., 1974), pp. 65-70. doi:10.2307/1144863. ↩
"Aerial Acts". Flying High Circus, Florida State University. Archived from the original on 31 December 2009. Retrieved 13 November 2012. https://web.archive.org/web/20091231031858/http://mailer.fsu.edu/~mpeters/airacts.html ↩