ΕπικεφαλίδαChristophorus, Papa χρησιμοποιείται σε: Integrated Authority File (GND), Germany
ΠαραλλαγήChristophe, Pape
Christopher, Pope
Cristoforo, Papa
Cristoforo Antipope [Unknown authorUnknown author / Basilica de San Paulo fuori le Mura, Roma -- Public domain -- http://commons.wikimedia.org/wiki/File:Cristobal antipapa.jpg]