Reflections on the voice in terms of spatial relationships of vowel sounds and, Organic support of effort qualities in the production of vowels, pitch and intensity /

Eitemau Tebyg

• The story of the human voice /
  gan: Severn, Bill
  Cyhoeddwyd: (1961)
• The Voice : life at the Village voice /
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  Cyhoeddwyd: (1976)
• The voice as an instrument /
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  Cyhoeddwyd: (1978)
• Research potentials in voice physiology; international conference ... Edited by David W. Brewer.
  Cyhoeddwyd: (1964)
• A vocal survey of male adolescent voices grades six through ten : a study on the incidence of changed voices with relation to extant theories /
  gan: Karr, John Paul
  Cyhoeddwyd: (2001)