14 May – Saint Victor & Saint Corona

Annus Dierum Sanctorum
Non coronatur, nisi qui legitime certaverit.
He is not crowned, except he strive lawfully.
2 Timothy 2.5
Data est ei corona.
There was a crown given him.
Apocalypse 6.2
Esto fideles usque ad mortem et dabo tibi coronas vitae.
Be thou faithful until death: and I will give thee the crown of life.
Apocalypse 2.10

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Dictionary of Saintly Women

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB

Basilica santuario dei Santi Vittore e Corona, website, gallery

Osimo Cathedral

14C Saint Corona & Saint Victor

Warburg Institute Iconographic Database

Post-Biblical Saints Art Index (Saint Victor Maurus is celebrated on 8 May)
Saints and their Attributes
Saints and their Emblems

Caractéristiques des saints dans l’art populaire by Charles Cahier – arbres.

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

14 May – Saint Boniface of Tarsus

Modern Hagiography

Bibliotheca Sanctorum

Roman Martyrology

Sanctorale Catholicum

Dictionary of Saintly Women (for Saint Aglae)

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

The Liturgical Year 

La vie des saints 

La vie des saints

Miniature Lives of the Saints for Every Day in the Year

Light from the Lowly volume I by Francis Butina.

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

Great Penitents (about Aglaida)

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Breviarium Romanum – Latin & English.

Art & Architecture

Index of Medieval Art

Portail Biblissima

Church of Santi Bonifacio ed Alessio in Rome

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.

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

13 May – Saint Robert Bellarmine

Portret van Kardinaal Robertus Bellarminus

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum (17 September)

New Picture Book of the Saints

Robert: A Patron Saint Book

Doctors of the Church

Tradition in Action

Breviarium Romanum – Latin.

Writings of Saint Robert Bellarmine

Hymns

The Autobiography of Robert Bellarmine

Saint Robert Bellarmine Collection (A Commentary on the Book of Psalms – Steps of Ascension to God – The Art of Dying Well).

Papal Error: A Defense of Popes Said to Have Erred in Faith

Of the Eternal Felicity of the Saints

An Ample Declaration of the Christian Doctrine

The Art of Dying Well

On Temporal and Spiritual Authority

The Treatise on Civil Government

The Seven Words on the Cross

Steps of Ascension to God

A Shorte Catechisme

Art & Architecture

Catalogo generale dei beni culturali

BeWeB

POP : la plateforme ouverte du patrimoine

Europeana

Post-Biblical Saints Art Index