Editing Pope Callixtus I (section)

== Further reading ==
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* {{BBKL|archiveurl=https://web.archive.org/web/20070629073136/http://www.bautz.de/bbkl/c/calixt_i_p.shtml |band=1|spalten=858-859|autor=Friedrich Wilhelm Bautz|artikel=Calixt I}}
* {{Catholic Encyclopedia|http://www.newadvent.org/cathen/03183d.htm|title=Pope Callistus I.)|author=John Chapman|volume=3|SeiteVon=<!--Anfangsseite_des_Artikels_(optional)-->|SeiteBis=<!--Endseite_des_Artikels_(optional)-->|Kommentar=|kurz=}}
* Gerber, Simon (2006). "Calixt von Rom und der monarchianische Streit" [Calixtus of Rome and the Monarchian Controversy]. ''Zeitschrift für Antikes Christentum/Journal of Ancient Christianity'' '''5''', 2, pp. 213–239.
* András Handl (2014). ''Bishop Callistus I. of Rome (217?−222?): A Martyr or a Confessor?'' In Zeitschrift für Antikes Christentum/Journal of Ancient Christianity 18, p.&nbsp;390-419.
* András Handl (2021). ''[https://doi.org/10.1515/zac-2021-0013 From Slave to Bishop. Callixtus’ Early Ecclesial Career and Mechanisms of Clerical Promotion.]'' In Zeitschrift für Antikes Christentum/Journal of Ancient Christianity 21, p.&nbsp;53-73. (Open access).{{refend}}