Three lives of the last Englishmen, 1984: CIP galley (Wulfstan)
Encylopaedia Britannica, 1977 (Wulfstan, Archbishop of York, 1002-1023; Bishop of Worcester, 1002-1016; Bishop of London, 996-1002; sometimes used the nom de plume Lupus)
Britannica.com, academic edition, December 16, 2015 (Wulfstan, pseudonym Lupus (died May 28, 1023, York, England); the author of many Old English homilies, treatises, and law codes; he was a product of the Benedictine revival and probably had some early connection with one of the Fenland abbeys, but nothing is known of him with certainty before he became a bishop; from 1008 he was adviser to the kings Aethelred and Canute and drafted their laws; he was interested in problems of government and the arrangement of society, as is shown by the work known as Institutes of Polity; he was also deeply concerned with the reform of the church; his most famous work, the Sermo Lupi ad Anglos, is an impassioned call to his countrymen to repentance and reform)