1. ‘Old English reflexes of Sievers’ Law.’;Adamczyk;Studia Anglica Posnaniensia,2001
2. ‘Reduplication and the Old English strong verbs, class vii.’;Adamczyk;Studia Anglica Posnaniensia,2002
3. ‘Grammatical change in Old English strong verbs: early traces of elimination.’;Adamczyk;Studia Anglica Posnaniensia,2004
4. ‘Disintegration of the nominal inflection in Anglian: the case of i-stems.’;Adamczyk;Studia Anglica Posnaniensia,2008