Winitz, Harris The learnable : Book 1 / H. Winitz. - 2nd ed. - W. c. : International Linguistics Corporation, 1990. - 48 p. : ill. ; 28 cm. Use with cassette tapes marked: Programs 1-2, 3-4, 5-6, 7-8, 9-10. ISBN: 0-939990-01-6 Subjects--Topical Terms: English language