Morkovin, Boris Vladimir Through the barriers of deafness and isolation : oral communication of the hearing-impaired child in life situations / Boris V. Morkovin - New York : Macmillan, 1960 - 178 p. : ill. ; 22 cm. Includes bibliography ISBN: USD 4.50 Subjects--Topical Terms: Children, Deaf--EducationHearing impaired--Education Dewey Class. No.: 371.912