Hearing aids, lipreading, and clear speech
By: by Sir Alexander Ewing and Lady Ethel C. Ewing.
Contributors: Ewing, Ethel Constance (Goldsack) Lady, joint author.
Publisher: Volta Bureau
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 118
Subjects: Deaf -- Means of communication.
Notes: Bibliography: p. 113.