American government / 
Susan Welch ... [et al.]. 
 - 4th ed 
 - St. Paul :  West Pub,  c1992. 
 - 1 v. (various pagings) :  ill. (chiefly in col.) 
<br/><br/> Includes bibliographies, appendices, glossary and indices. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States--Politics and goverenment