20 May – Saint Austregisilus

Saint Austregisile, saint Sulpice et saint Amand reclus à Bourges (France, Valenciennes. Bibliothèque municipale, Ms. 502 f. 009)
Église paroissiale Saint-Sylvain, Saint-Eloi, Saint-Martin, also
The Book of Saints

Modern Hagiography

Roman Martyrology

Medieval Hagiography

BHL, Supplementum

Acta Sanctorum

Art & Architecture

Portail Biblissima

POP : la plateforme ouverte du patrimoine

Saints and their Attributes

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