Linguistic Atlas ProjectDialectology Resources
Linguistic Atlas Project (old site)
American English Dialect Recordings (Library of Congress)
Digital Archive of the Southern States - Linguistic Data Consortium
Dictionary of American Regional English
International Dialects of English
Phonological Atlas of North America
Corpus Linguistic Resources
Corpus of Contemporary American English (COCA)
Scottish Corpus of Text and Speech (SCOTS)
English Language Archives
International Computer Archive of Modern and Medieval English