by International Conference on Auditory Techniques Pasadena, Calif., 1973 | Griffiths, Ciwa, 1911- [ed.] | Hear Foundation | San Diego Speech and Hearing Center | Oralingua School for the Deaf.
by International Congress of Audiology [1st: 1953 Leiden,Netherlands].
by American Academy of Audiology. Annual Convention and Expo [17th: 2005: Washinton, D.C.].