Modern Hagiograpy
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
Pictorial Half Hours with the Saints by Auguste François Lecanu.
Medieval Hagigraphy
The Cult of Saints in Late Antiquity Database
His earliest extant life, by Jonas of Bobbio (this book also includes a modern life of the saint, but lots of great sources in its appendix, which occupies many more pages in the volume. this is a great source for all things Saint Vedast).
This same life in its original Latin.
A later life by Alcuin (in older books, attributed to Bede).
The Golden Legend (and illustrations)
Art & Architecture
POP : la plateforme ouverte du patrimoine
Warburg Institute Iconographic Institute
Arras. Médiathèque municipale, Ms. 851 (folio 153-166)
Lives and Legends of the Great Hermits and Fathers of the Church, with Other Contemporary 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
Nihil sub sole novum 