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WHO created (or was credited with), defining deaf people via the 'd' and 'D' ? (there are some early references via Wikipedia (unvalidated), and referred to in 1978).Please NOTE: do NOT refer to Wiki because THEY have said there is no accreditation via proof they know of. was it an American ? or a Brit ? group or person ?
WHO created (or was credited with), defining deaf people via the 'd' and 'D' ? (there are some early references via Wikipedia (unvalidated), and referred to in 1978).
Please NOTE: do NOT refer to Wiki because THEY have said there is no accreditation via proof they know of. was it an American ? or a Brit ? group or person ?
