24 May – Venerable Mary of Jesus of Ágreda

apparizione dell’Immacolata Concezione a suor Maria di Gesù di Ágreda

Modern Hagiography

Bibliotheca Sanctorum

Dictionary of Saintly Women

A longer form biography

Writings of Saint Mary of Jesus of Agreda

Mystical City of God:

The Conception

The Incarnation

The Transfixion

The Coronation

Art & Architecture

Europeana

Wikimedia Commons

17C Painting

24 May – Saint Vincent of Lérins

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.

La vie des saints 

Writings by Saint Vincent

The Commonitory (pdf – html)

The Vincentian Canon (from chapter 4 of the Commonitory)

Medieval Hagiography

Acta Sanctorum

Art & Architecture

Saints and their Emblems