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Blunt 1974, pp. 47–48. Blunt, Christopher (1974). "The Coinage of Æthelstan, King of England 924–939". British Numismatic Journal. XLII: 35–160 and plates. ISSN0143-8956.
Sharp 1997, p. 198. Sharp, Sheila (Autumn 1997). "England, Europe and the Celtic World: King Athelstan's Foreign Policy". Bulletin of the John Rylands University Library of Manchester. 79 (3): 197–219. doi:10.7227/BJRL.79.3.15. ISSN2054-9318.