Dolley, M.
Imitation and Imitation of Imitation: Some problems posed by the non-English Helmet pennies with the name of Aethelraed II. SD aus: Studies in Northern Coinages of the Eleventh Century. Kopenhagen 1981. S. 89 - 111 mit 8 Tfn. Broschiert

Mit Exlibris Reinhold Jordan.