France. Abbey of Saint-Riquier (Abbey of Saint-Richarius). Founded by Saint Richarius circa 625. Angilbert, abbot of Saint-Riquier from 790, rebuilt the abbey and ordered the construction of three churches, work which was completed in 799. 19th-century facsimile of an engraving in "Dissertation de Paul Pétau", De Nithardo, 1612. "Vie Militaire et Religieuse au Moyen Age et à l'Epoque de la Renaissance. Paris, 1877.
France. Abbey of Saint-Riquier (Abbey of Saint-Richarius). Founded by Saint Richarius circa 625. Angilbert, abbot of Saint-Riquier from 790, rebuilt the abbey and ordered the construction of three churches, work which was completed in 799. 19th-century facsimile of an engraving in "Dissertation de Paul Pétau", De Nithardo, 1612. "Vie Militaire et Religieuse au Moyen Age et à l'Epoque de la Renaissance. Paris, 1877.