14 April – Saint Tiburtius, Saint Valerian, and Saint Maximus

Modern Hagiography

Roman Martyrology

Sanctorale Catholicum

Lives of the Saints by Alban Butler.

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.

The Lives of Saints, with Other Feasts of the Year, According to the Roman Calendar by Peter Ribadeneira.

La vie des saints

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

The Acts of Saint Cecilia

A retelling in the Canterbury Tales

Breviarum Romanum English.

Art & Architecture

Index of Medieval Art – Tiburtius & Valerian & Maximus

Catalogo generale dei beni culturali

BeWeB

Portail Biblissima – Saint Tiburce & Saint Valérien & Saint Maxime

POP : la plateforme ouverte du patrimoine – Saint Tiburce & Saint Valérien & Saint Maxime

Warburg Institute Iconographic Database – Tiburtius, Valerian

Medieval Religion Listserv

Ciborium by Arnolfo di Cambio in the Church of Santa Cecilia in Rome

Lippo di Andrea, Fresco Cycle in Sacristy in Santa Maria del Carmine, Florence

Frescoes in the Oratory of St Cecilia, San Giacomo Maggiore, Bologna

Post-Biblical Saints Art Index
Saints and their Attributes

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 – Tiburtius & Valerian.

Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth – Tiburtius & Valerian.

Music

Medieval Music Database

Cantus: A Database for Latin Ecclesiastical Chant