Modern Hagiography
Light from the Lowly volume II by Francis Butina.
Medieval Hagiography
Art & Architecture
Catalogo generale dei beni culturali
BeWeB
– Ambito veronese sec. XIV, Affresco con i santi Gualberto e Gualfardo
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 