O'Connor, Karen, 1952- The essentials of American government : continuity and change / Karen O'Connor, Larry J. Sabato - New York : Longman, 2003 - xxiii, 453 p. : ill. ; 24cm Includes bibliographical references and index ISBN: 0321070720 (pbk.) LCCN: 00067660 Subjects--Geographic Terms: United States--Politics and government LC Class. No.: JK274 / .O263 2003