Oxford at the Clarendon Press, 1972. The Carmen de Hastingae Proelio of Guy Bishop of Amiens, edited and translated by Frank Barlow, Clarendon Press, Oxford, 1999. 'Encyclopædia Britannica'' Eleventh Edition, 1911. The Carolingian Renaissance, Hubert, Porcher, and Volbach, Braziller, New York, 1970. External links Official town website Website of the Office de tourisme of Saint-Riquier Communes of Somme (department)