Schabel, C. e Lambertini, R. 2021. New Evidence for the Reception of the Michaelist Treatise Allegationes de potestate imperiali (1338-39): The Parvum Decretum of Pierre Ceffons and the Somnium Viridarii. Picenum Seraphicum - Rivista di studi storici e francescani. 34, (mar. 2021), 173–178.