1 September – Twelve Holy Brothers

Modern Hagiography

Bibliotheca Sanctorum

Roman Martyrology

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

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

Rome and the Negro:  Lives of the Noted African Bishops, Saints, Martyrs, Holy Women and Fathers of Deserts

Medieval Hagiography

BHL, Supplementum

Acta Sanctorum

Art & Architecture

Index of Medieval Art

Medieval Religion Listserv

Music

Cantus: A Database for Latin Ecclesiastical Chant