Dark Ages: Mage received only two formal books but Right of Princes tells how to run a Chantry and Darkening Sky provides an adventure. Adam and Terry talk domains, pooled backgrounds, eclipses, the Holy Land, and Frederick II.
Right of Princes - Dark Ages book on ruling and relating to mortals with some information on building a Chantry
Darkening Sky - A set of adventures for Dark Ages lines
Blood-Dimmed Tides - NEXT BOOOOK