14 September / 16 September – Saint Cornelius

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum14 September & 16 September

Roman Martyrology14 September & 16 September

Lives of the Saints by Alban Butler. (16 September)

Lives of the Saints by Sabine Baring-Gould.

The Liturgical Year by Dom Guéranger. (16 September)

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

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

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

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 (14 September)

Acta Sanctorum (14 September)

The Cult of Saints in Late Antiquity Database

Epitaph of Pope Damasus 

Liber pontificalis 

The Golden Legend (and illustrations)

Breviarium RomanumLatin & English.

Writings by Pope Cornelius

Documenta Catholica Omnia 

Letters of Pope Cornelius 

Art & Architecture

Index of Medieval Art

Portail Biblissima

Catalogo generale dei beni culturali

BeWeB

Warburg Institute Iconographic Database 

Medieval Religion Listserv – 2016 Dillon.

The Catacomb of Callixtus in Rome – Crypt of Lucina (more and also, both from a website dedicated to the name Cornelius), on the frescoes and the fresco of Saints Cornelius and Cyprian 

An article on Saint Cornelius with photographs of artworks associated with him including the frescoes in the Catacomb of Callixtus in situ.

Kornelimünster Abbey in Aachen 

Sistine Chapel, South Wall

in situ
Die Sixtinische Kapelle
Post-Biblical Saints Art Index
Saints and their Attributes

Sacred and Legendary Art volume II by Mrs. Jameson, see also.

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