Politics and structure :
O'Connor, Robert E.
Politics and structure : essentials of American national government / Robert E. O'Connor, Thomas G. Ingersoll, Robert F. Pecorella. - 5th ed. - Pacific Grove, Calif. : Brooks/Cole, 1990. - xii, 238 p. : ill.
Includes bibliographies and index
United States--Politics and government.
Politics and structure : essentials of American national government / Robert E. O'Connor, Thomas G. Ingersoll, Robert F. Pecorella. - 5th ed. - Pacific Grove, Calif. : Brooks/Cole, 1990. - xii, 238 p. : ill.
Includes bibliographies and index
United States--Politics and government.