Polsby, Nelson W. <br/><br/>
Political innovation in America :  the politics of policy initiation / 
Nelson W. Polsby. 
 - New Haven :  Yale University Press ,  c1984. 
 - xiv, 185 p. ;  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0300030894 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diffusion of innovations--United States.<br/>Policy sciences.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Politics and government--1945-1989.
<br/><br/><label>LC Class. No.: </label>JK271  / .P567 1984 
<br/><br/><label>Dewey Class. No.: </label>320.973  / POP 1984