Lives of the Saints by Sabine Baring-Gould.
Light from the Lowly, volume I by Francis Butina.
Catholic Legends: A New Collection by Augusta Theodosia Drane.
An episode in French from an animated series on Swiss history (scroll down to episode 1467).
An article on the saint in French (also available in German and Italian).
Art & Architecture
Medieval Religion Listserv – 2016 Dillon.
The Saints in Art by Joseph Maria von Radowitz.