15 April – Saint Peter González

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

Miniature Lives of the Saints for Every Day in the Year

Short Lives of the Dominican Saints

The Life of Saint Pius the Fifth and Other Saints and Blessed of the Order of Friar Preachers

Tradition in Action

Medieval Hagiography

BHL

Acta Sanctorum

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB

Wikimedia Commons

This image commonly attached to Saint Peter González is not him. This Dominican Saint in the Quaranta domenicani illustri, ex convento di San Niccolò, Sala del Capitolo, Treviso, 1352 (website of Seminary), is identified as Saint Peter only on the basis of the caption; rather, he is Frate Pietro Sendre, according to the Catalogo generale dei beni culturali

Saints and their Attributes
Saints and their Emblems

Caractéristiques des saints dans l’art populaire by Charles Cahier – feu, poissons, navire.

Lives and Legends of the English Bishops and Kings, Mediaeval Monks, and Other Later Saints by Mrs. Arthur Bell.

The Saints in Art by Joseph Maria von Radowitz.

Customs & Devotions

Festas de San Telmo, Tui

14 April – Saint Justin Martyr

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum (1 June)

Roman Martyrology

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

Character Calendar (14 April & 1 June)

Pictorial Lives of the Saints

La vie des saints

Miniature Lives of the Saints for Every Day in the Year

Victories of the Martyrs by Saint Alphonsus Liguori.

Contemporary Hagiography

Acta Sanctorum, also

The Cult of Saints in Late Antiquity Database

The Martyrdom of Justin

Breviarium Romanum – Latin.

Writings of Saint Justin Martyr

Documenta Catholica Omnia

Writings of Justin Martyr in the Ante-Nicene Fathers

Writings of Justin Martyr at Early Christian Writings

On the Blessed Virgin Mary

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB

Portail Biblissima

Vatican Colonnade

Post-Biblical Saints Art Index
Saints and their Emblems

Caractéristiques des saints dans l’art populaire by Charles Cahier – mer, epée.

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.

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

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

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
Saints and their Emblems

Caractéristiques des saints dans l’art populaire by Charles Cahier – anges, familles saintes, groupes, lis.

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