19 January – Saint Henry

Picture of the First Crusade to Finland by saints Henry and Eric. From the sarcophagus of Henry in the church of Nousiainen
Bishop Henry killed by Lalli
Ecclesiæ anglicanæ trophæa
The Book of Saints

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum (20 January)

Sanctorale Catholicum

A Menology of England and Wales

Lives of the Saints by Alban Butler.

Wikipedia

Medieval Hagiography

BHL, Supplementum

Acta Sanctorum

Art & Architecture

Wikimedia Commons

Saints and their Emblems

Caractéristiques des saints dans l’art populaire by Charles Cahier – doigt.