21 October – Saint Hilarion

The Temptation of Saint Hilarion by Octave Tassaert (another version)

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Sanctorale Catholicum

Lives of the Saints by Alban Butler.

Lives of the Saints by Francis Weninger.

Lives of the Saints by Sabine Baring-Gould.

The Liturgical Year by Dom Guéranger.

Character Calendar

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.

The Lives of the Fathers of the Eastern Deserts by Richard Challoner.

Il libro d’oro

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

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Jerome, Life of Saint Hilarion (audiobook)

Breviarium RomanumLatin & English.

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB

Portail Biblissima

POP : la plateforme ouverte du patrimoine

Vatican Colonnade

The Monastery of Saint Hilarion

Menologion of Basil II (about)

Morgan Library MS M.626, Vitae patrum, fols. 22r–29r: Jerome, Life of Hilarion of Cyprus

Post-Biblical Saints Art Index
Saints and their Attributes
Saints and their Emblems

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

Lives and Legends of the Great Hermits and Fathers of the Church, with Other Contemporary Saints by Mrs. Arthur Bell.

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

Medieval Music Database

Cantus: A Database for Latin Ecclesiastical Chant