Baker, Ross K. American government / Ross K. Baker, Gerald M. Pomper, Wilson C. McWilliams. - 2nd ed. - Macmillan, c1987. - xxiii, 673 p., [12] p. of plates : ill. (some col.) ; 26 cm. Includes bibliographies and indexes. ISBN: 0023054808 Subjects--Geographic Terms: United States--Politics and government. Universal Decimal Class. No.: 342.518