10 October – Saint John Leonardi

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum (9 October)

Roman Martyrology

Miniature Lives Of The Saints For Every Day In The Year by Henry Sebastian Bowden.

Breviarium RomanumLatin. (9 October)

Art & Architecture

Catalogo generale dei beni culturali

BeWeB

10 October – Saint Gereon

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Lives of the Saints by Francis Weninger.

Lives of the Saints by Sabine Baring-Gould.

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database

Art & Architecture

Index of Medieval Art

POP : la plateforme ouverte du patrimoine
especially Martyre de saint Géréon ; Projet de vitrail

Wikimedia Commons

The Basilica of Saint Gereon in Cologne (and the Cloth of Saint Gereon)

13C Wall Painting (scroll down)

15C Saint Gereon with Entourage

On 15C Altarpiece of the Patron Saints of Cologne

On 15C Panel among Saints

Post-Biblical Saints Art Index
Saints and their Attributes
Saints and their Emblems

A Handbook of Christian Symbols and Stories of the Saints as Illustrated in Art by Clara Erskine Clement.

Saints and their Symbols: A Companion in the Churches a-nd 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

Cantus: A Database for Latin Ecclesiastical Chant

10 October – Saint Francis Borgia

Annus Dierum Sanctorum
Fallax gratia, et vana est pulchritudo.
Favor is deceitful, and beauty is vain.
Proverbs 31.30

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum (30 September)

Roman Martyrology

Lives of the Saints by Alban Butler.

Lives of the Saints by Francis Weninger.

Lives of the Saints by Sabine Baring-Gould.

The Liturgical Year by Dom Guéranger.

Character Calendar

Pictorial Lives of the Saints

La vie des saints

La vie des saints

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.

Lives of the Saints for Children by Theodor Berthold.

Memorials of the Blessed: A Series of Short Lives of the Saints by Charles B. Fairbanks.

Legends of the Blessed Sacrament Gathered from the History of the Church and the Lives of the Saints by Emily Mary Shapcote.

Tradition in Action

Breviarium RomanumLatin & English.

Acta Sanctorum

Writings of Saint Francis Borgia

Spiritual Works of Saint Francis Borgia

Art & Architecture

Catalogo generale dei beni culturali

BeWeB

POP : la plateforme ouverte du patrimoine

Vatican Colonnade

Warburg Institute Iconographic Database

A Guide to Christian Iconography: Images, Symbols, and Texts

Google Arts & Culture

Post-Biblical Saints Art Index
Saints and their Attributes
Saimts and their Emblems

Legends of the Monastic Orders as Represented in the Fine Arts by Mrs. Jameson.

A Handbook of Christian Symbols and Stories of the Saints as Illustrated in Art by Clara Erskine Clement.

Lives and Legends of the English Bishops and Kings, Mediaeval Monks, and Other Later 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 a-nd 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

Marc-Antoine Charpentier, Motet pour St François de Borgia, H.354

Customs & Devotions

Manna for the Soul: Meditations for Every Day of the Year by Paulo Segneri.

Meditations for All the Days of the Year by M. Hamon.