20 September – Saint Eusebia of Marseille

Marsiglia: Cripta di S. Vittore. Epitaffio di S. Eusebia

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Dictionary of Saintly Women

Catholic Legends: A New Collection by Augusta Theodosia Drane.

The Monks of Lerins and Other Tales of Old Time

New Catholic Encyclopedia 

Scholarship

Sainte Eusébie, abbesse, et ses 40 compagnes martyres à Marseille 

20 September – Saint Candida

Les Images De Tous Les Saincts et Saintes de L’Année 
The Book of Saints 

Modern Hagiography

Bibliotheca Sanctorum

Roman Martyrology

Dictionary of Saintly Women

Medieval Hagiography

BHL (September 30)

Art & Architecture

Saints and their Attributes

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.