Modern Hagiography
Bibliotheca Sanctorum
Martyrologium Romanum
Roman Martyrology
Dictionary of Saintly Women
Lives of the Saints
Lives of the Saints
Medieval Hagiography
BHL , Supplement
Acta Sanctorum
Art & Architecture
Index of Medieval Art
Portail Biblissima Sainte Wautrude et sainte Gertrude (France, Paris. Bibliothèque nationale de France, Département des manuscrits, NAF 16251 f.104)
BALaT
Europeana , also
Wikimedia Commons
Warburg Institute Iconographic Database
Medieval Religion Listserv – 2016 Dillon .
Shrine of Saint Waltrude
Saints and their Attributes Saints and their Emblems Caractéristiques des saints dans l’art populaire by Charles Cahier – apparition de S.S. , captifs , eglise , enfants , familles saintes
Lives and Legends of the English Bishops and Kings, Mediaeval Monks, and Other Later Saints
The Saints in Art
Emblems of Saints by Which They Are Distinguished in Works of Art
Music
Cantus: A Database for Latin Ecclesiastical Chant
Devotions
Ducasse du Mons (see also ; not on the feast day of Saint Waltrude)
Nihil sub sole novum 