Modern Hagiography
Lives of the Saints by Sabine Baring-Gould.
Stories of the Saints Fourth Series Saints of the Early Church by Mary Seymour.
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.
Medieval Hagiography
The Passion of St. Julian and his wife Basilissa, written in the 10th century by English Abbot Aelfric.
Art
Warburg Institute Iconographic Database
Guide to Christian Iconography: Images, Symbols, and Texts
Medieval Religion Listserv – 2015 Dillon.