Aasen = Norsk Ordbog, af Ivar Aasen. Christiania. 1873. Generally referred to as Norse.
B-T. = The Bosworth-Toller Anglo-Saxon Dictionary. Referred to generally as Old English.
B-S. = Bradley's Stratmann's Middle English Dictionary. References to Middle English forms are to B-S., unless otherwise specified.
Brate = "Nordische Lehnwörter im Ormulum." Paul und Braunes Beiträge, X. 1885.
Brem. W. = Bremisch-Niedersächsisches Wörterbuch. Bremen. 1767.
Bouterwek = Die vier Evangelien in alt-nordhumbrischer Sprache. Karl Bouterwek. Gütersloh. 1857.
Cl. and V. = Cleasby and Vigfusson's Icelandic-English Dictionary. Oxford. 1874. Old Norse words have been taken largely from Cl. and V.
Cook = A Glossary of the Old Northumbrian Gospels. A.S. Cook. Halle. 1894.
Craigie = Oldnordiske Ord i de gæliske Sprog. W.A. Craigie, in Arkiv for nordisk Filologie X. pp. 149ff.
Curtis = An Investigation of the Rimes and Phonology of the Middle Scotch Romance "Clariodus," by F.J. Curtis, in Anglia XVI and XVII.