Fitt & Isard: Synthesis of regional English using a keyword lexicon

An extension and practical application of Wells’ keyvowels idea, which enables efficient generation of a pronunciation dictionary tailored to a specific accent or speaker.

Kominek & Black: CMU ARCTIC databases for speech synthesis

Widely used, copyright-free speech databases for use in speech synthesis

Taylor – Section 17.1 – Databases

Including the important issue of labelling the data