Helleberg, Marilyn M. Your hearing loss : how to break the sound barrier / Marilyn M. Helleberg. - Chicago : Nelson-Hall , 1979 - 257 p. : ill. ; 22 cm. Includes bibliographical and index. ISBN: 0882293419 Subjects--Topical Terms: Hearing Disorders.Deaf--Rehabilitation. National Library of Medicine Call No.: WV270