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Moreau (E. de), Saint Anschaire, Louvain, 1930.
Schmeidler (В.), Hamburg-Bremen und Nordwest-Europa von 9. bis 11. Jahrh.; Leipzig, 1918.
§ 6. Следы и последствия оседлости скандинавов
Anderson (Olaf S.), The English hundred-names, Lund, 1934.
Brondal (Viggo), Le normand et la langue des Vikings в Normannia, 1930.
Ekwall (E.), How long did the Scandinavian language survive in England в A grammatical miscellany offered to O. Jespersen, Copenhague, 1930.
Ekwall (E.), Scandinavians and Celts in the North-West of England, Lund, 1918 (Lunds Universitets Arsskrift, N. F, Afd. 1, Bd. 14).
Ekwall (E.), The Scandinavian element в A. Mawer et F. W. Stenton, Introduction to the survey of English Place-Names, Part. I, Cambridge, 1929.
Ekwall (E.), The Scandinavian element в H. С. Darby, A historical geography of England, Cambridge, 1936.