Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
The Liturgical Year by Dom Guéranger.
True Historical Stories for Catholic Children by Josephine Portuondo.
Saints and Heroes to the End of the Middle Ages by George Hodges.
Contemporary and Medieval Hagiography
Two lives of Charlemagne, one by Einhard, one by a monk at St. Gall.
Writings of Charlemagne
Art & Architecture
The Crowning of Charlemagne in the Vatican
Warburg Institute Iconographic Database
Medieval Religion Listserv- 2015 Dillon.
Legends of the Monastic Orders as Represented in the Fine Arts by Mrs. Jameson.
A Handbook of Christian Symbols and Stories of the Saints as Illustrated in Art by Clara Erskine Clement.
Lives and Legends of the English Bishops and Kings, Mediaeval Monks, and Other Later Saints by Mrs. Arthur Bell.
Saints and their Symbols: A Companion in the Churches and Picture Galleries of Europe by E. A. Greene.
Nihil sub sole novum 