Books by R. J. Hayward
Voice and power
Voice and Power : The Culture
Voice and Power : The Culture of Language in North-east Africa
Tone and Intonation
Tone and Intonation
Voice and Power (African Languages and Cultures Supplement 3)
Omotic Language Studies
Categories of the predicator i
Categories of the predicator in 'afar, with especial reference to the grammar of radical extensions