Modern Hagiography
Martyrologium Romanum (14 February)
Roman Martyrology – 7 July & 9 March.
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
The Liturgical Year by Dom Guéranger.
Medieval Hagiography
Breviarium Romanum – Latin.
Art & Archaeology
Index of Medieval Art – Methodius of Moravia, Cyril of Moravia
Catalogo generale dei beni culturali
Medieval Religion Listserv – 2016 Dillon.
The Chapel of Saints Cyril and Methodius & The Tomb of Saint Cyril in San Clemente in Rome
Caractéristiques des saints dans l’art populaire by Charles Cahier – groupes.
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.
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
Cantus: A Database for Latin Ecclesiastical Chant
Hymn to Cyril and Methodius by Tchaikovsky.
Nihil sub sole novum 