Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Francis Weninger.
Lives of the Saints by Sabine Baring-Gould.
Victories of the Martyrs by Saint Alphonsus Liguori.
Medieval Hagiography
Eusebius, Ecclesiastical History
Epigram of Damasus (different Gorgonius?)
The Golden Legend (and illustrations)
Art & Architecture
Warburg Institute Iconographic Database
Medieval Religion Listserv – 2016 Dillon.
Nihil sub sole novum 