22 August – Saint Symphorian

Annus Dierum Sanctorum
Bonum certamen certavi, cursum consummavi, fidem servavi.
I have fought a good fight, I have finished my course, I have kept the faith.
2 Timothy 4.7
Reposita est mihi corona justitiae.
There is laid up for me a crown of justice.
2 Timothy 4.8

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Sanctorale Catholicum

Lives of the Saints by Alban Butler.

Lives of the Saints by Francis Weninger.

Lives of the Saints by Sabine Baring-Gould.

The Liturgical Year by Dom Guéranger.

Character Calendar

Pictorial Lives of the Saints 

La vie des saints 

La vie des saints

Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly.

Pictorial Half Hours with the Saints by Auguste François Lecanu.

Miniature Lives Of The Saints For Every Day In The Year by Henry Sebastian Bowden.

Victories of the Martyrs by Saint Alphonsus Liguori.

The Lives of Saints, with Other Feasts of the Year, According to the Roman Calendar by Peter Ribadeneira.

Medieval Hagiography

BHL 

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Gregory of Tours, Glory of the Martyrs (Latin & French)

The Golden Legend (and illustrations)

Art & Architecture

Index of Medieval Art

Portail Biblissima

POP : la plateforme ouverte du patrimoine

Wikimedia Commons

Warburg Institute Iconographic Database 

Medieval Religion Listserv – 2016 Dillon.

Headless Statue 

Post-Biblical Saints Art Index
Saints and their Attributes

Music

Cantus: A Database for Latin Ecclesiastical Chant

Customs & Devotions

Late Medieval French Prayers