8 January – Saint Gudula

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Dictionary of Saintly Women

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

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

La vie des saints

Medieval Hagiography

BHL

Acta Sanctorum

Art & Architecture

Index of Medieval Art
Brother Leonard of Aachen’s Choir Book, Saint Gudula standing to the right and holding lantern (detail above)

Europeana

Balat

Warburg Institute Iconographic Database

Google Arts & Culture

Saints and their Attributes
Saints and their Emblems

Sacred and Legendary Art volume II by Mrs. Jameson.

A Handbook of Christian Symbols and Stories of the Saints as Illustrated in Art by Clara Erskine Clement.

Lives and Legends of the English Bishops and Kings, Mediaeval Monks, and Other Later Saints by Mrs. Arthur Bell.

The Saints in Art with Their Attributes and Symbols, Alphabetically Arranged by Margaret E. Tabor.

Saints and their Symbols: A Companion in the Churches and Picture Galleries of Europe by E. A. Greene.

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.

Music

Cantus: A Database for Latin Ecclesiastical Chant

Customs & Devotions

French Language Documentary – “Sainte Gudule – La Force de la foi

8 January – Saint Severinus of Noricum

San Sossio e san Severino monaco (Saint Severinus to the left, see also Saint Severinus enthroned, but not sure if this is same Severinus)

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.

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

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.

Contemporary Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

The Life of Saint Severinus by Eugippius, see also

Art & Architecture

Index of Medieval Art

Warburg Institute Iconographic Database

Medieval Religion Listserv – 2016 Dillon.

Santi Severino e Sossio in Naples, “Significati religiosi e storici della traslazione dei Santi Sossio e Severino”

Post-Biblical Saints Art Index

4448 – Virgin and Child, with Saints Anthony Abbott, Mark, Severino, and Sebastian

Saints and their Emblems

Legends of the Monastic Orders as Represented in the Fine Arts by Mrs. Jameson.

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.

Music

Cantus: A Database for Latin Ecclesiastical Chant

8 January – Saint Apollinaris of Hierapolis

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Sanctorale Catholicum

Lives of the Saints by Alban Butler.

Character Calendar

Pictorial Lives of the Saints 

Writings of Saint Apollinaris of Hierapolis

Fragments of Saint Apollinaris of Hierapolis’s Writings

Art & Architecture

Saints and their Emblems