Anecdotes and Incidents: Ecclesiastical and Religious
Lactantius, On the Deaths of the Persecutors
Eusebius, Ecclesiastical History
Eusebius, Life of Constantine
Art & Architecture
On the Arch of Constantine – Battle of the Milvian Bridge
Vision of Constantine & Constantine’s Victory over Maxentius by Piero della Francesca in San Francesco in Arezzo
Modern Hagiography
Lives of the Saints by Sabine Baring-Gould.
Victories of the Martyrs by Saint Alphonsus Liguori.
Medieval Hagiography
Art & Architecture
18C Libro del Compendio della Vita di tutti Santi (more likely Saint Anastasia of 25 Decmber; although labeled a Virgin, Saint Anastasia the Elder was the Virgin; the Younger a matron)
Modern Hagiography
Bibliotheca Sanctorum – Saint Jude & Saint Simon
Lives of the Saints by Alban Butler – Saint Simon & Saint Jude.
Lives of the Saints by Sabine Baring-Gould – Saint Simon & Saint Jude.
Lives of the Saints by Francis Weninger.
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.
Miniature Lives Of The Saints For Every Day In The Year by Henry Sebastian Bowden.
Stories of the Saints Third Series by Mary Seymour.
Goffine’s Devout Instructions on the Epistles and Gospels for the Sundays and Holydays
The Lives of Saints, with Other Feasts of the Year, According to the Roman Calendar by Peter Ribadeneira.
Medieval Hagiography
Acta Sanctorum – Saint Simon & Saint Jude
The Cult of Saints in Late Antiquity Database – Saint Simon & Saint Jude
The Golden Legend (and illustrations)
Breviarium Romanum – Latin & English.
Art & Architecture
Index of Medieval Art – Saint Simon & Saint Jude
Catalogo generale dei beni culturali
BeWeB
Portail Biblissima – Saint Simon & Saint Jude
POP : la plateforme ouverte du patrimoine
Warburg Institute Iconographic Database – Saint Simon & Saint Jude
A Guide to Christian Iconography: Images, Symbols, and Texts – Saint Simon & Saint Jude
Kornbluth Photography Historical Archive – Saint Simon & Saint Jude
Medieval Religion Listserv – 2016 Dillon.
Santi Simone e Giuda, Florence – Saint Simon & Saint Jude
San Giovanni in Laterano – Saint Simon & Saint Jude
Sacred and Legendary Art volume I by Mrs. Jameson.
A Handbook of Christian Symbols and Stories of the Saints as Illustrated in Art by Clara Erskine Clement.
A Garner of Saints: Being a Collection of the Legends and Emblems Usually Represented in Art by Allen Hinds.
Lives and Legends of the Evangelists, Apostles, and Other Early Saints by Mrs. Arthur Bell.
The Saints in Art with Their Attributes and Symbols, Alphabetically Arranged by Margaret E. Tabor.
Saints and their Symbols: A Companion in the Churches and Picture Galleries of Europe by E. A. Greene.
The Saints in Art by Joseph Maria von Radowitz – Saint Jude & Saint Simon.
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth – Saint Jude & Saint Simon.
Sacred Symbols in Art by Elizabeth Edwards Goldsmith.
Music
Cantus: A Database for Latin Ecclesiastical Chant
Customs & Devotions
Meditations for All the Days of the Year by M. Hamon.
Heortology: A History Of The Christian Festivals From Their Origin To The Present Day by Heinrich Kellner.
The Church Seasons Historically and Poetically Illustrated by Alexander H. Grant.
Nihil sub sole novum 
