
Pope Leo finds that the collapse of the Western Roman Empire makes it more difficult for him to assert his authority in Gaul, Hispaniae and Northern Africa. Yet, the support of Emperor Valentinian III provides a strong boost to Leo in those lands still under imperial control.
Links:
Icon of Leo the Great. Photo by Wlbw68
Letter of Pope Leo on the conflict with Hilary of Arles
Letter of Pope Leo to Bishop Turibus on the Priscillians
Valentinian III’s decree endorsing papal authority
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#449 – A History of the Catholic Church – The Challenge of the Papacy

Priscillian’s triumphant return to Hispania does not last long. He faces renewed charges of heresy and sorcery and his fate is placed in the hands of the new emperor Magnus Maximus.
Links:
Photo of gem engraved with image of the Crucifixion courtesy of the British Museum.
Pope Leo I’s letter on the errors of the Priscillians
Augustine on Priscillians
Acts of the Council of Toledo [in Spanish]
Virginia Burrus, The Making of a Heretic: Gender, Authority, and the Priscillianist Controversy
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#383 – A History of the Catholic Church – The Problem of Priscillian – Part II

We start calling the bishops of Rome – the popes of Rome. Priscillian of Avila offers us an example of the challenges of the rising ascetical movement as bishop fights against bishop in Spain.
Links:
Photo of Gold-glass depiction of Jonah and the whale by Anne-Marie Bouché
More on Priscillian.
Various New Testament Apocrypha, including those that Priscillian would have used.
About the so-called Epistle of Saint Paul to the Laodiceans
Map of the Roman provinces in Hispania at the time of Priscillian. Priscillian and his main support was found in Spanish Galicia/Gallaecia.
Check out the other great Catholic podcasts at the Starquest Production Network
To listen, just click on the link below:
#382 – A History of the Catholic Church – The Problem of Priscillian – Part I