A minimalist view of the areas he worked on is that it "was limited to the angel with the torch and to touching up the tympanum of the stone shrine", but the statue of Saint Helena and Jerome's cloak have also been suspected of showing his hand, and he may have touched up the architecture more generally.
According to a minimalist view, his work was primarily focused on "the angel with the torch" and "touching up the tympanum of the stone shrine." However, suspicions persist that he also worked on the statue of Saint Helena and Jerome's cloak, possibly extending to other architectural elements as well.