John Cayley. Author accepted manuscript published in Amodern 2 (2013) online: http://amodern.net (http://amodern.net/article/terms-of-reference-vectoralist-transgressions
John Cayley. Author accepted manuscript published in Digital Humanities Quarterly 5.3 (August 2011): http://www.digitalhumanities.org/dhq/vol/5/3/000104/000104.html.