sentence: David C. Douglas, William the Conqueror; The Norman Impact upon England (Berkeley; Los Angeles, University of California Press, 1964), p. 59 From there he raided into Normandy.
modified: David C. Douglas, William the Conqueror; The Norman Impact upon England (Berkeley; Los Angeles, University of California Press, 1964), p. 59 From there he raided into Normandy.