13 September – Saint Ketevan

Modern Hagiography

Dictionary of Saintly Women

The Followers of the Lord: Stories for Children from Church History

“The Martyrdom of Kelavane” by William Forsythe.

Early Modern Hagiography

A letter relating the Martyrdome of Ketaban, Mother of Teimurases, Prince of the Georgians, a notable Imposture of the Jesuites upon that occasion. Sent unto the Abbot Sophronius. Written first in Greeke and now done in English.

Art & Architecture

Wikimedia Commons

Azulejo in the Convento da Graça – Wikimedia Commons

“India Hands over Martyred Queen’s Relics to Georgia”

11 September – Saint Felix and Saint Regula

Heidelberg. Universitätsbibliothek, Cod. Pal. germ. 111 (1470-1475)
der dreiröhrige Brunnen mit den Stadtpatronen Felix, Regula und Exuperantius (about)
Frauenfeld, Kantonsbibliothek Thurgau, Y 111
Frauenfeld, Kantonsbibliothek Thurgau, Y 117 (see also Y 116)
The Book of Saints

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Dictionary of Saintly Women

Lives of the Saints by Sabine Baring-Gould.

Medieval Hagiography

BHL, Supplementum

Acta Sanctorum

Art & Architecture

Index of Medieval Art
– Lucchese Altarpiece – Baptism, Martyrdom

Europeana

Post-Biblical Saints Art Index (?, at least the artwork?)
Saints and their Attributes

Music

Cantus: A Database for Latin Ecclesiastical Chant