O'CONNOR, Robert E. Ingersoll, Thomas G. Politics and structure: essentials of American national government /[by] Robert E.O'Connor, Thomas G.Ingersoll - 3rd ed. - Monterey Brooks 1983 - xii, 199 p. Includes index. ISBN: 534012833 Subjects--Topical Terms: United States-Politics and government Dewey Class. No.: 320.973 / OCO