3 Narratio originis, rituum, et errorum Christianorum S.
Papae (1333-1334), the Compendium errorum Johannis XXII.
It is probable that the Opus nonaginta dierum and the Compendium errorum were intended to form part of the work.
The Compendium errorum selects four papal constitutions which involved a declaration against evangelical poverty, and insists that they are full of heresy.
To him the city owed her trade in cloths and velvets, from which so much wealth accrued to her 1 Fidelis Expositio Errorum Serveti, sub init.