The Millettarian Methodology is a post-disquisitional segment of the Omnidoxy within the Appendix of the Omnidoxy as part of the Original Omnidoxical Series solely written and organised by Cometan. As distinct from the rest of the writings within the Omnidoxy, The Millettarian Methodology comprises of an extensive collection of methodologies covering a variety of topics within business, economics, accounting, finance, marketing, and other non-religious and non-philosophical subjects. The Millettarian Methodology's influence on Astronism has been varied with the majority of its impact found in the practical operations of the Astronist Institution.