Cummings, Milton C. Democracy under pressure : an introduction to the American political system / [by] Milton C. Cummings, Jr. [and] David Wise. - 2d ed. - New York : Harcourt Brace Jovanovich, 1974 - xviii, 654 p. illus. 25 cm. Includes bibliographies. ISBN: 0155173383 LCCN: 73019412 Subjects--Geographic Terms: United States--Politics and government. LC Class. No.: JK274 / .C73 1974 Dewey Class. No.: 320.973 / CUD 1974