Frantzich, Stephen E. The political science toolbox a research companion to American government / [electronic resource] : Stephen E. Frantzich and Howard R. Ernst - Lanham, Md. : Rowman & Littlefield Pub., c2009 - 1 online resource (xix, 323 p.) : ill., maps Description based on print version record Includes bibliographical references and index Mode of access: Internet ISBN: 9780742564565 (electronic bk.) 0742564568 (electronic bk.)