Skeat, W. W. (1961). An etymological dictionary of the English language: By Walter W. Skeat (New ed., rev. and enlarged.). Clarendon Press.

Skeat, Walter W. An Etymological Dictionary of the English Language: By Walter W. Skeat. New ed., rev. and enlarged. Oxford: Clarendon Press, 1961.

Skeat, Walter W. An Etymological Dictionary of the English Language: By Walter W. Skeat. New ed., rev. and enlarged. Clarendon Press, 1961.