20 May / 23 December – Saint Ivo of Chartres

Crozier of Saint Ivo of Chartres
peintures monumentales (décor du 19e siècle de la crypte) : Histoire de Chartres, saints et évêques chartrains, ornementation
Bildnis des S. Ivo
The Book of Saints

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Lives of the Saints by Alban Butler (20 May).

Lives of the Saints by Sabine Baring-Gould (23 December).

Tradition in Action

Medieval Hagiography

Acta Sanctorum (20 May)

Art & Architecture

Index of Medieval Art

Portail Biblissima

Europeana

Wikimedia Commons

Saints and their Emblems

20 May – Saint Babilla

Baptême de sainte Basilla (France, Paris. Bibliothèque nationale de France, Département des manuscrits, Français 51 f.3)
Martyre de sainte Basilla (France, Paris. Bibliothèque nationale de France, Département des manuscrits, Français 51 f.26)
The Book of Saints

Modern Hagiography

Roman Martyrology

Dictionary of Saintly Women

Lives of the Saints by Sabine Baring-Gould.

Medieval Hagiography

BHL

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Art & Architecture

Portail Biblissima