Special devices for hard of hearing, deaf, and deaf-blind persons

Bibliographic Details
Main Author:	Hurvitz, Joel
Other Authors:	Carmen, Richard
Format:	Book
Language:	English
Published:	Boston Little, Brown c1981.
Subjects:	Blind, Apparatus for the > Catalogs. Blind-deaf > Means of communication > Equipment and supplies > Catalogs. > United States. Communication devices for people with disabilities > Catalogs. > United States. Deaf > Means of communication > Equipment and supplies > Catalogs. > United States. Medical instruments and apparatus. Otolaryngology.