Henry William Carless Davis, 1911 Encyclopædia Britannica, Volume 23… (1911)
“ Robert, in making his recension of it, also used the Brut of Layamon. From 1135 to 1256 Robert is still a compiler, although references to oral tradition become more frequent as he approaches his own time. From 1256 to 1270 he has the value of a contemporary authority. But he is more important to the philologist than to the historian. ”
