15 June – Saint Vitus, Saint Modestus, and Saint Crescentia

Ascension in the Lower Basilica of San Clemente in Rome (about), Saint Vitus stands to the far right
Annus Dierum Sanctorum
Deus noster potest eripere nos de Camino ignis ardentis, et de manibus, tuis a Rex, liberare.
Our God is able to save us from the furnace of burning fire, and to deliver us out of thy hands, O king.
Daniel 3.17
Iratus Rex iussit sartagines et ollas aeneas succendi.
The king being angry commanded fryingpans, and brazen caldrons to be made hot.
2 Machabees 7.3

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Sanctorale Catholicum

Dictionary of Saintly Women Saint Crescentia

Lives of the Saints by Alban Butler.

Lives of the Saints by Francis Weninger.

The Liturgical Year by Dom Guéranger.

Character Calendar 

Pictorial Lives of the Saints 

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

Short Instructive Sketches from the Lives of the Saints

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

La vie des saints

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

The Golden Legend (and illustrations)

Breviarium RomanumLatin & English.

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB

Portail Biblissima

Europeana

Museum Digital

Warburg Institute Iconographic Database 

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

Medieval Religion Listserv – 2016 Dillon.

Vatican Colonnade

16C Sculpture of Saint Vitus in a Cauldron of Oil

17C Martyrdom of Saint Vitus and Saint Modestus

Post-Biblical Saints Art Index
Post-Biblical Saints Art Index

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 Great Hermits and Fathers of the Church, with Other Contemporary 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