1. Asprey, E. 2007. Black Country English and the Black Country identity (Doctoral dissertation, The University of Leeds).
2. The smooth signal redundancy hypothesis: A functional explanation for relationships between redundancy, prosodic prominence, and duration in spontaneous speech;Language and Speech,2004
3. Bailey, G. 2015. Social and internal constraints on (ing) in northern Englishes (Master’s dissertation, The University of Manchester).
4. Automatic detection of sociolinguistic variation using forced alignment;University of Pennsylvania Working Papers in Linguistics: Selected Papers from NWAV 44,2016