Sacks, Oliver W. Seeing voices : a journey into the world of the deaf / Oliver Sacks. - 1st Harper Perennial ed. - New York : HarperCollins, 1990. - xvi, 186 p. : ill. - 305.9 . Includes bibliographical references (p. 173-177) and index. ISBN: 0060973471 (pbk.) : $8.95 Subjects--Topical Terms: Deaf--History.American sign language. Dewey Class. No.: 305.9