22 April – Saint Soter & Saint Caius

Modern Hagiography

Roman Martyrology

Sanctorale Catholicum

Lives of the Saints by Alban Butler – Soter & Caius.

The Liturgical Year by Dom Guéranger.

Character Calendar

Pictorial Lives of the Saints

Medieval Hagiography

BHL – Soter, Caius

Liber pontificalis – Soter, Caius

The Golden Legend (Pope Caius)

Writings by Saint Soter

Ad episcopos Italiae

Decretalia de fede

Writings by Saint Caius

Documenta Catholica Omnia

Art & Architecture

Martyrdom of Pope Caius

Post-Biblical Saints Art IndexCaius & Soter.

The Saints in Art by Joseph Maria von Radowitz – Caius.

%d bloggers like this: