Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
The Liturgical Year by Dom Guéranger.
Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly.
Pictorial Half Hours with the Saints by Auguste François Lecanu.
The Lives of Saints, with Other Feasts of the Year, According to the Roman Calendar by Peter Ribadeneira.
Biblical Text
Paul’s account of his disagreement with Peter at Antioch (start at verse 11).
Medieval Hagiography
The Golden Legend (and illustrations)
Breviarium Romanum – Latin & English.
Art & Architecture
Warburg Institute Iconographic Database
Music
Cantus: A Database for Latin Ecclesiastical Chant
Devotions
Heortology: A History Of The Christian Festivals From Their Origin To The Present Day by Heinrich Kellner.
Nihil sub sole novum 