Accents of English

English Intonation in the British Isles

The speech accent archive

International dialects of English archive 

Youglish

Forvo

Recordings of English accents, Barry Pennock-Speck

Recordings of English accents, John Wells

Variation in Speech, P. Roach

Accent variation, M. Huckvale

Current British English (CUBE), G. Lindsey

Whatever happened to RP, J. Wells