Modern Hagiography
Lives of the Saints by Sabine Baring-Gould.
Ancient Hagiography
Ecclesiastical History of Sozomen (audio)
Lausiac History of Palladius
Art & Architecture
Sacred and Legendary Art volume II by Mrs. Jameson.
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 