Lives of the Saints by Alban Butler.
Lives of the Saint by Sabine Baring-Gould.
The Liturgical Year by Dom Guéranger.
Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly.
Pictorial Half Hours with the Saints by Auguste François Lecanu.
Stories of the Saints Fourth Series Saints of the Early Church by Mary Seymour.
Memorials of the Blessed: A Series of Short Lives of the Saints by Charles B. Fairbanks.
True Historical Stories for Catholic Children by Josephine Portuondo.
Writings of Pope Leo the Great
Art & Architecture
Raphael’s painting of The Meeting between Pope Leo the Great and Attila the Hun in the Stanza di Heliodoro in the Vatican (see also and historical accounts of the meeting)
Medieval Religion Listserv – 2016 Dillon.
Sacred and Legendary Art volume II by Mrs. Jameson.
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.