NOWELE Supplements is a monograph series accociated to the journal NOWELE (North- Western European Language Evolution). The supplement series is devoted not only to the study of the history and prehistory of a locally determined group of languages, but also to the study of purely theoretical questions concerning historical language development. The series contains publications dealing with all aspects of the (pre-)histories of - and with intra- and extralinguistic factors contributing to change and variation within - Icelandic, Faroese, Norwegian, Swedish, Danish, Frisian, Dutch, German, English, Gothic and the early Runic language.