4 December – Saint Clement of Alexandria

Clément d’Alexandrie (France, Paris. Bibliothèque nationale de France, Département des manuscrits, Grec 923 f.284v)
Saint Clément, évêque d’Alexandrie by Jean-Auguste-Dominique Ingres (1842)

Modern Hagiography

Bibliotheca Sanctorum

Sanctorale Catholicum

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

Medieval Hagiography

The Cult of Saints in Late Antiquity Database

Writings of Saint Clement

Documenta Catholica Omnia

Art & Architecture

Index of Medieval Art

Portail Biblissima

Saints and their Emblems

4 December – Saint Anno

Psalterium cum calendario et canticis in usum monasterii Siegebergensis dioecesis Coloniensis (about)
Vita Annonis Minor
The Book of Saints

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrolgy

Lives of the Saints by Alban Butler.

Lives of Saints by Francis Weninger.

Lives of the Saints by Sabine Baring-Gould.

Tradition in Action

Contemporary Hagiography

BHL, Supplement

The Song of Anno

Writings of Saint Anno

Documenta Catholica Omnia

Art & Architecture

Index of Medieval Art

Annoschrein – Official Website and Images and a medallion taken from the shrine, now at the Museum of Fine Arts in Boston

Annokamm, Annostab, and Annopallium (comb, staff, and pallium)

Saints and their Emblems