Modern Hagiography
Roman Martyrology – Saint Romanus & Saint Lupicinus
Sanctorale Catholicum – Saint Romanus & Saint Lupicinus
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
Stories of the Saints for Children Second Series by Mary Seymour.
Short Instructive Sketches from the Lives of the Saints
Medieval Hagiography
Acta Sanctorum – Lupicinus & Romanus
The Cult of Saints in Late Antiquity Database
The lives of Saints Romanus and Lupicinus are available in a newer translation not in the public domain.
Art & Architecture
Index of Christian Art – Romanus
Portail Biblissima – Saint Romanus
POP : la plateforme ouverte du patrimoine
Europeana – Romanus
Monastery of Romainmôtier in Switzerland
Ensemble des 12 bas-reliefs des jouées des stalles sud
Medieval Religion Listserv – 2016 Dillon.
Lives and Legends of the Great Hermits and Fathers of the Church, with Other Contemporary Saints by Mrs. Arthur Bell.
The Saints in Art by Joseph Maria von Radowitz.
Nihil sub sole novum 