19 July – Saint Arsenius the Great

Annus Dierum Sanctorum
Elongavi fugiens, et mansi in solitudine.
I have gone far off flying away; and I abode in the wilderness.
Psalm 54.8
Similis factus sum pellicano solitudinis.
I am become like to a pelican of the wilderness:.Psalm 101.7
Fuge tace quiesce

Modern Hagiography

Bibliotheca Sanctorum

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

Medieval Hagiography

BHL, Supplement 

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

The Golden Legend (and illustrations)

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB

Europeana

Portail Biblissima

POP : la plateforme ouverte du patrimoine

Warburg Institute Iconographic Database 

Post-Biblical Saints Art Index

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.