Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
“Saint Kenelm” by Kenelm Dibgy Best.
Medieval Hagiography
William Malmesbury’s Chronicle – here and here.
The Tale of the Nun’s Priest in The Canterbury Tales (from line 3110)
Art & Architecture
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.