Modern Hagiography
Lives of the Saints by Sabine Baring-Gould.
Medieval Hagiography
The Cult of Saints in Late Antiquity Database
Art & Architecture
Catalogo generale dei beni culturali
– Santa Scholastica, Subiaco
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.
Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Francis Weninger.
Lives of the Saints by Sabine Baring-Gould.
Lives of the Irish Saints by John O’Hanlon.
Medieval Hagiography
Art & Architecture
POP : la plateforme ouverte du patrimoine
Warburg Institute Iconographic Database
Portable Altar from Paderborn Cathedral (see also)
Lives and Legends of the English Bishops and Kings, Mediaeval Monks, and Other Later Saints by Mrs. Arthur Bell.
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.
Music
Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
Ancient Hagiography
The Cult of Saints in Late Antiquity Database
Eusebius, History of the Martyrs in Palestine
Art & Architecture
Catalogo generale dei beni culturali
Lives and Legends of the Great Hermits and Fathers of the Church, with Other Contemporary Saints by Mrs. Arthur Bell.
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.
Nihil sub sole novum 
