Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
Stories of the Saints Fourth Series Saints of the Early Church by Mary Seymour.
Bede, Ecclesiastical History
Art & Architecture
A Handbook of Christian Symbols and Stories of the Saints as Illustrated in Art by Clara Erskine Clement.
The Saints in Art with Their Attributes and Symbols, Alphabetically Arranged by Margaret E. Tabor.
The Saints in Art by Joseph Maria von Radowitz.