1. A diachronic phonology from Proto-Germanic to Old English stressing West Saxon conditions;Barrack,1975
2. Altenglische Grammatik;Brunner,1965
3. Old English grammar;Campbell,1964
4. Linguistic controversies: Essays in linguistic theory and practice in honour of F.R. Palmer,1982
5. Substantival inflection in early Old English vocalic stems;Dahl,1938