Rist, Rebecca (2017). "Innocent III and the Roman Veronica: Papal PR or Eucharistic icon?". In Murphy, Amanda Clare; Kessler, Herbert L.; Petoletti, Marco; Duffy, Eamon; Milanese, Guido (eds.). The European fortune of the Roman Veronica in the middle ages. Convivium Supplementum. Turnhout, Belgium: Brepols. pp. 114–125. doi:10.1484/m.convisup-eb.5.131046. hdl:11222.digilib/137738. ISBN978-80-210-8779-8. OCLC1021182894.
Rist, Rebecca (2017). "Innocent III and the Roman Veronica: Papal PR or Eucharistic icon?". In Murphy, Amanda Clare; Kessler, Herbert L.; Petoletti, Marco; Duffy, Eamon; Milanese, Guido (eds.). The European fortune of the Roman Veronica in the middle ages. Convivium Supplementum. Turnhout, Belgium: Brepols. pp. 114–125. doi:10.1484/m.convisup-eb.5.131046. hdl:11222.digilib/137738. ISBN978-80-210-8779-8. OCLC1021182894.
Rist, Rebecca (2017). "Innocent III and the Roman Veronica: Papal PR or Eucharistic icon?". In Murphy, Amanda Clare; Kessler, Herbert L.; Petoletti, Marco; Duffy, Eamon; Milanese, Guido (eds.). The European fortune of the Roman Veronica in the middle ages. Convivium Supplementum. Turnhout, Belgium: Brepols. pp. 114–125. doi:10.1484/m.convisup-eb.5.131046. hdl:11222.digilib/137738. ISBN978-80-210-8779-8. OCLC1021182894.