Charles Oman, Albert Pollard, Samuel Gardiner, Spencer Walpole and Hugh Chisholm, 1911 Encyclopædia Britannica (1911)
“ His power was something far greater than that of the Guthrums and Anlafs of an earlier generation, and—in the end of his life at least—he was aiming at political conquest, and not either at mere plunder or at finding new settlements for his followers. But if the strength of the invader was greater than that of his predecessors, Æthelred also was far better equipped for war than his ancestors of the 9th century. He owned, and he sometimes used—but always to little profit—a large fleet, while all England instead of the mere realm of Wessex was at his back. ”
