Cambridge Essential British English Dictionary
Peter Gilliver, The Making of the Oxford English Dictionary (2016)
The Makers of the Oxford English Dictionary (Gilliver's website)
Sarah Ogilvie, The Dictionary People: the unsung heroes who created the Oxford English Dictionary (2023)
Joseph Wright, The English Dialect Dictionary (6v. 1898-1905)
Varieties of English. 1 The British Isles (2008)
West Country
Wikipedia: West Country English
West Country Dialects - History and Origins
Norman Rogers, Wessex Dialect (1979)
Cornwall
The Dialect of Cornwall (archived website)
The Dictionary of Cornish Dialect (website)
East Anglia
Wikipedia: East Anglian English
Multicultural London English
Rebecca Mead, The common tongue of Twenty-First Century London (New Yorker article, 2022)
Paul Kerswill, Multicultural London English (website)
Islands
Mari C.Jones, Channel Island English (book chapter, 2010)
Heinrich Ramisch, Channel Island English: phonology(book chapter, 2004)
Release notes: Manx English pronunciation (OED)
Historical
Dictionary of Old English Corpus (2009)
Dictionary of Old English (microfiche)
A Thesaurus of Old English (website)
Michael Drout, King Alfred's Grammar (electronic book)
Teachers of Old English in Britain and Ireland (TOEBI) (resources page)
TOEBI : Teachers of Old English in Britain and Ireland (fb page)
Original Pronunciation: Old English (website)
Anglo-Norman Dictionary (website)
Anglo-Norman Dictionary (facebook page)
Geert De Wilde, Towards Completing the Second Edition of the Anglo-Norman Dictionary (Dictionary 42(2) 2021)
A Linguistic Atlas of Early Middle English 1150 to 1325
Paul Schaffner, The Middle English Dictionary Revenant (Dictionaries 40(2) 2019)
Richard Ashdowne: Ut Latine minus vulgariter magis loquamur: the making of the Dictionary of Medieval Latin from British Sources (book chapter, 2011)
Cotton MS Titus A XV (16th century Old English dictionary)
John Considine, Sixteenth-Century English Dictionaries (2022)
Encyclopedia of Shakespeare's Language (project website)
Gabriele Stein, Word Studies in the Renaissance (2017)
Jukka Tyrkkö, A Physical Dictionary (1657): The First English Medical Dictionary (2008 conference paper)
Original Pronunciation: Early Modern English (website)
Samuel Johnson's Dictionary Online