Power, Des, Leigh, Greg, Hyde, Merv. International Congress on Education of the Deaf; 1998. Grammatical and lexical characteristics of the language of the deaf to hearing students and deaf students under simulated Oral-Only and Simultaneous Communication.
Hyde, Merv, Power, Des, Leigh, Greg. Gallaudet University Press; 1998. Oral-only and simultaneous communication speech characteristics of teachers of the deaf.
Power, Des, Hyde, Merv, Leigh, Greg. Gallaudet University Outreach Services; 2008. Learning English from signed English: an impossible task?.