Corsica – and its Romanesque chapels, Stéphane Massiani, May 1991, A. Robert, 13011 Marseille, Bastia: Chapelle San Sarorio, p. 45 Dictionary of Chateaux and Fortifications of France in the Middle Ages, éditions Publitotal, Charles-Laurent Salch, 1978, reprint 1991, Strasbourg, 1287 pages, , p. 109 : Bastia: City Walls of "Terra Nova" Power and Fortifications in the north of Corsica 11th – 14th century, éditions Alain Piazzola, Daniel Istria, May 2005, Ajaccio,
Corsica – and its Romanesque chapels Stéphane Massiani May 1991 A Robert 13011 Marseille Bastia Chapelle San Sarorio p 45 Dictionary of Chateaux and Fortifications of France in the Middle Ages éditions Publitotal Charles-Laurent Salch 1978 reprint 1991 Strasbourg 1287 pages  p 109  Bastia City Walls of "Terra Nova" Power and Fortifications in the north of Corsica 11th – 14th century éditions Alain Piazzola Daniel Istria May 2005 Ajaccio