O'Connor, Karen, 1952- American government : Roots and reform / by Karen O'Connor and Larry J. Sabato. - 2-nd ed., brief ed. - Boston : Allyn and Bacon, 1996. - xix, 560, [58] p. : ill. ; 26 cm. Includes index ISBN: 0-02-389018-5 Subjects--Topical Terms: Politics and government--United States