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.
Victories of the Martyrs by Saint Alphonsus Liguori.
The Lives of Saints, with Other Feasts of the Year, According to the Roman Calendar by Peter Ribadeneira.
Medieval Hagiography
The Cult of Saints in Late Antiquity Database
The Life of Saint Vitalis by Saint Ambrose
The Golden Legend (and illustrations)
Breviarium Romanum – Latin & English.
Art & Architecture
Index of Medieval Art – Saint Vitalis & Saint Valeria
BeWeB – Saint Vitalis & Saint Valeria
Catalogo generale dei beni culturali – Saint Vitalis & Saint Valeria
Portail Biblissima – Saint Vitalis & Saint Valeria
POP : la plateforme ouverte du patrimoine
Warburg Institute Iconographic Database
The Church of San Vitale in Ravenna – Smarthistory, Mosaics
16C Glory of San Vitalis in the Church of San Vidal in Venice
Sacred and Legendary Art volume II 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.
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.
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.
Music
Nihil sub sole novum 
