Upton, Clive, Parry, David, Widdowson, J. D. A., Survey of English dialects: the dictionary and grammar: London, 1994

Viereck, WolfgangWolfgangViereck2019-09-192015-07-1319970044-1449https://fis.uni-bamberg.de/handle/uniba/33393engUpton, Clive, Parry, David, Widdowson, J. D. A., Survey of English dialects: the dictionary and grammar: London, 1994review