7 October – Saint Sergius and Saint Bacchus

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Sanctorale Catholicum

Lives of the Saint by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

The Liturgical Year by Dom Guéranger.

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

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

The Cult of Saints in Late Antiquity Database – Saint Sergius & Saint Bacchus

The Passion of Saints Sergius and Bacchus

Sources for the Cult of Saints Sergius and Bacchus

Gregory of Tours, History of the Franks

Scholarly Articles

“Origin of the Cult of Saints Sergius and Bacchus” (alternately)

Art & Architecture

Index of Medieval Art

Portail Biblissima

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

Church of Saints Sergius and Bacchus (Little Hagia Sophia) in Istanbulphoto gallery

10C Menologion of Basil II (about)

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

Music

Cantus: A Database for Latin Ecclesiastical Chant