Citation:Gad E-S. ἀντίδοσις in Roman Egypt : A Sign of Continuity or a Revival of an Ancient Institution?. In: Nodar A, Torallas Tovar S, editors. Proceedings of the 28th Congress of Papyrology; 2016 August 1-6; Barcelona. Barcelona: Publicacions de l'Abadia de Montserrat, Universitat Pompeu Fabra; 2019. p.465-474.