Conference on Problems of the Deaf and Hard of Hearing (Washington, D.C.))
Overview
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Titles
Research recommendations of the second Conference on Problems of the Deaf and Hard of Hearing, Washington, D.C., February 1 and 2, 1929
by:
National Research Council (U.S.); National Research Council (U.S.)., Division of Anthropology and Psychology.; NetLibrary, Inc.; Conference on Problems of the Deaf and Hard of Hearing (Washington, D.C.))
(Language materials, printed)
Subjects