Roberts, Geoffrey K. <br/><br/>
Political parties and pressure-groups in Britain/ 
by Geoffrey K. Roberts 
 - New York:  St.Martin's Press,  1971. 
 - 203 p. :   ill. ;   23 cm. 
<br/><br/>Bibliography: p. 195-197. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political parties--Great Britain.<br/>Pressure groups--Great Britain.