Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly.
Pictorial Half Hours with the Saints by Auguste François Lecanu.
Miniature Lives Of The Saints For Every Day In The Year by Henry Sebastian Bowden.
An Alphabet of Saints by Robert Hugh Benson, Reginald Balfour, and Charles Ritchie.
“Saint Wilfrid” by Frederick William Faber (fewer verses).
Medieval Hagiography
BHL, Supplement (24 April)
Acta Sanctorum (24 April)
The Cult of Saints in Late Antiquity Database
The Life of Bishop Wilfrid by Eddius Stephanus (published in 1927, will eventually be in the public domain)
Bede, Ecclesiastical History
Art & Architecture
Warburg Institute Iconographic Database
Hexham Abbey, Wikipedia, Frith Stool, Saxon Crypt
Lives and Legends of the English Bishops and Kings, Mediaeval Monks, and Other Later Saints by Mrs. Arthur Bell.
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.
Music
Cantus: A Database for Latin Ecclesiastical Chant
Customs & Devotions
Nihil sub sole novum 
