Ballantyne, John C. Deafness / John Ballantyne. - 5th ed. - UK : Whurr Publishers ; 1993. - 325p. : ill. ; 22 cm. Includes index. Bibliography: p. [236]-240. ISBN: 1870332237 $8.50 LCCN: Subjects--Topical Terms: Deafness.Deafness. LC Class. No.: RF290 / .B17 1977 Dewey Class. No.: 617.8 BAL National Library of Medicine Call No.: WV270 B188d