24 March – Saint Pigmenius

Wilpert, Joseph, Die Malereien der Katakomben Roms 

Modern Hagiography

Bibliotheca Sanctorum

Roman Martyrology

Pictorial Half Hours with the Saints by Auguste François Lecanu.

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Art & Architecture

Index of Medieval Art

Sarcophagus

Saints and their Emblems

24 March – Saint Simon of Trent

Annus Dierum Sanctorum
Christo confixus sum Cruci.
With Christ I am nailed to the cross.
Galatians 2.19
Hoc sentite in vobis, quod et in Christo – Iesu.
Let this mind be in you, which was also in Christ Jesus:
Hoc enim sentite in vobis, quod et in Christo Jesu :
Philippians 2.5

Modern Hagiography

Bibliotheca Sanctorum

Roman Martyrology

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

Pictorial Lives of the Saints

La vie des saints 

La vie des saints

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

Trent 1475: Stories of a Ritual Murder Trial (free to read with registration)

Bearing False Witness

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

Art & Architecture

Catalogo generale dei beni culturali

BeWeB

Saint Simon at the British Museum

Post-Biblical Saints Art Index
Saints and their Attributes

Caractéristiques des saints dans l’art populaire by Charles Cahier – croix, enfants.

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.

24 March – Saint Gabriel the Archangel

Hagia Sophia

Modern Angelology

Bibliotheca Sanctorum

Lives of the Saints by Sabine Baring-Gould.

Character Calendar

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

La vie des saints

Tradition in Action

“Saint Gabriel” by Frederick William Faber. (also here)

Biblical texts

All references

Medieval Hagiography

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Breviarium RomanumLatin.

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB

Portail Biblissima

POP : la plateforme ouverte du patrimoine

10C Fresco

Warburg Institute Iconographic Database (see also The Annunciation, Gabriel Explaining Daniel’s Vision, Angel Appearing to Daniel)

A Guide to Christian Iconography: Images, Symbols, and Texts

Saints and their Attributes
Saints and their Emblems

Sacred and Legendary Art volume I by Mrs. Jameson.

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

A Garner of Saints: Being a Collection of the Legends and Emblems Usually Represented in Art by Allen Hinds.

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.

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

Sacred Symbols in Art by Elizabeth Edwards Goldsmith.

Music

Cantus: A Database for Latin Ecclesiastical Chant

Hymns to Saint Gabriel in the Parochial Hymn Book

Customs & Devotions

Late Medieval French Prayers

Heortology: A History Of The Christian Festivals From Their Origin To The Present Day by Heinrich Kellner.