30 May – Saint Ferdinand III of Castile

Annus Dierum Sanctorum
In Deo faciemus virtutem, et ipse ad nihilum deducet inimicos nostros.
Through God we shall do mightily.
Psalm 107.14
Quis deducet me in civitatem munitam?
Who will bring me into the strong city?
Psalm 107.11

Modern Hagiography

Roman Martyrology

Sanctorale Catholicum

Lives of the Saints by Alban Butler.

The Liturgical Year by Dom Guéranger.

La vie des saints 

Miniature Lives of the Saints for Every Day in the Year

Medieval Hagiography

BHL, Supplement

Acta Sanctorum

Art & Architecture

Index of Medieval Art

Europeana

POP : la plateforme ouverte du patrimoine

Warburg Institute Iconographic Database

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

Post-Biblical Saints Art Index
Saints and their Attributes

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.

The Saints in Art with Their Attributes and Symbols, Alphabetically Arranged by Margaret E. Tabor.

Saints and their Symbols: A Companion in the Churches and 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.