28 August – Saint Julian of Brioude

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Lives of the Saints by Alban Butler.

Medieval Hagiography

BHL, Supplementum

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Art & Architecture

Index of Medieval Art

Portail Biblissima

POP : la plateforme ouverte du patrimoine

Music

Cantus: A Database for Latin Ecclesiastical Chant