Modern Hagiography
Lives of the Saints by Sabine Baring-Gould.
Medieval Hagiography
The Golden Legend (and illustrations)
Art & Architecture
Menologion of Basil II (about)
Warburg Institute Iconographic Database
A Garner of Saints: Being a Collection of the Legends and Emblems Usually Represented in Art by Allen Hinds.
The Saints in Art by Joseph Maria von Radowitz.
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.
Nihil sub sole novum 