Modern Hagiography
Lives of the Saints by Sabine Baring-Gould.
“Santa Filomena” by Henry Wadsworth Longfellow (pdf)
Art & Architecture
Catalogo generale dei beni culturali
POP : la plateforme ouverte du patrimoine
Warburg Institute Iconographic Database
The Saints in Art by Joseph Maria von Radowitz.
Devotions
Nihil sub sole novum 
