George Mason University: Accented speech of speakers from many different language backgrounds reading the same sample paragraph. Currently, there are 429 speech samples.
The Speech Accent Archive: A large set containing hundreds of speech samples (English accents from native and non-native speakers and their phonetic transcriptions). Sound files and phonological information is included.
World-English.org: Scottish Accent. Poem "A Red, Red Rose" by Robert Burns read by a male native speaker of English from Scotland.
Includes integral text of the poem.