In defense of American liberties : a history of the ACLU / Samuel Walker. Walker, Samuel, 1942- American Civil Liberties Union History. Civil rights United States History. JC599.U5 W28 1990 323.097 21 WAL Includes index. Bibliography: p. 449-452. New York : Oxford University Press, 1990. 1990. 1990 Text xiii, 479 p., [14] p. of plates : eng United States