Political science and the study of the future / 
Albert Somit. 
 - Hinsdale, Ill. :  Dryden Press,  1974. 
 - 336 pages ;  23 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 319-327. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science.<br/>Forecasting.