Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
Medieval Hagiography
The Cult of Saints in Late Antiquity Database
Writings of Pope Sixtus I
Art & Architecture
Index of Medieval Art
– Hildesheim, Domschatz, MS. 37 (DS 37), folio 119r
– El Escorial, Real Biblioteca, Cod. Vitrinas 17, folio 4v
The Saints in Art by Joseph Maria von Radowitz.
Nihil sub sole novum 