Dr. Sobex's Ars Magica resources
Ars Magica Short Intro
Will be added soon.
Ars Magica Definitive Edition Guideline Compendium
This compendium includes all the guidelines from the definitive edition and 5th edition books, excluding guidelines that require a mystery, virtue, original research or integration. It builds on C. Allen's earlier supplemental guideline compendium as well as the definitive Edition.
This document is under CC-BY-SA 4.0.
Ars Magica Book LaTeX package
Work in progress, will be added soon.