TY - BOOK AU - Easton,David TI - Political system: an inquiry into the state of political science SN - 0394315367 AV - JA71 .E3 1971 U1 - 320 22 PY - 1971/// CY - New York PB - Knopf KW - Political science KW - United States KW - History N1 - Includes bibliographical references ER -