Litwack, Leon The American labor movement / Leon Litwack. - Englewood Cliffs, N.J. : Prentice-Hall, Inc., 1962 - xii, 176 p. ; 20 cm. - A Touchstone book . ISBN: 9780671628277 Subjects--Topical Terms: Labor unions --History.--United States Dewey Class. No.: 331.880973 / LIT