13 January – Saint Kentigern/Mungo

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Sanctorale Catholicum

A Menology of England and Wales

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

Miniatures Lives of the Saints for Every Day of the Year

Stories of the Saints Fourth Series Saints of the Early Church by Mary Seymour. 

Our Island Saints by Amy Steedman.

The Book of Saints and Friendly Beasts by Abbie Farwell Brown. 

Legends of Saints and Birds by Agnes Aubrey Hilton.

Lives of the Irish Saints by John O’Hanlon.

Medieval Hagiography

BHL

Acta Sanctorum

Life of Saint Mungo by Jocelyn of Furness.

Art & Architecture

ArtUK

Tomb in Glasgow Cathedral

“Signs of St Mungo can be found in Glasgow – if you know where to look”

Medieval Religion Listserv

Saints and their Attributes
Saints and their Emblems

Lives and Legends of the Great Hermits and Fathers of the Church, with Other Contemporary Saints by Mrs. Arthur Bell.

The Saints in Art by Joseph Maria von Radowitz.

Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.

Prayers

Prayer of Saint Kentigern

Celebrations for Saint Kentigern (and background on his mother and him)

12 January – Saint Tatiana

Modern Hagiography

Bibliotheca Sanctorum

Roman Martyrology

Dictionary of Saintly Women

Medieval Hagiography

Acta Sanctorum

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

Portail Biblissima

Medieval Religion Listserv

Saints and their Emblems

Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.

12 January – Saint Arcadius of Mauretania

Annus Dierum Sanctorum
Mortificate ergo membra vestra, quae sunt super terram.
Mortify therefore your members which are upon the earth.
Colossians 3.5
Bonum est tibi claudum introire in vitam aeternam.
It is better for thee to enter lame into life everlasting.
Mark 9.44
O felicia membra

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Sanctorale Catholicum

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

Victories of the Martyrs by Saint Alphonsus Liguori. 

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.

Miniatures Lives of the Saints for Every Day of the Year

Medieval Hagiography

BHL

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Art & Architecture

Warburg Institute Iconographic Database

Saints and their Attributes
Saints and their Emblems

The Saints in Art by Joseph Maria von Radowitz.

Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.