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——— An Introduction to Old English [2], rev. R. Alcorn (Edinburgh, 2012).
——— and Fulk, R. D., A Grammar of Old English, ii, Morphology (Malden, Mass., 2011).
Ringe, D(on), A Historical Morphology of English, Edinburgh Textbooks on the English Language – Advanced (Edinburgh: Edinburgh University Press, 2021). amazon
——— and Taylor, Ann, The Development of Old English, Linguistic History of English, Vol. 2 (Oxford, 2014).