[42] The manuscript is the focus of the Making and Knowing project at Columbia University, New York, led by Prof. Pamela H. Smith and was also presented at the exhibition on the Toulouse Renaissance in France in 2018. The digitized treatise, a transcription, an annotated English translation, and many accompanying essays are now online accessible; see: https://edition640.makingandknowing.org. All English translations are taken from this edition. For more information on the Making and Knowing Project, a collaborative research and pedagogical initiative that created the critical digital edition, see www.makingandknowing.org, The manuscript, now held by the Bibliothèque nationale de France, is written in an anonymous hand. See https://archivesetmanuscrits.bnf.fr/ark:/12148/cc508953. For more information on the anonymous author–practitioner, see the introductory essays at https://edition640.makingandknowing.org/#/essays, last accessed 28 April 2020.