Stewart, Robert Mackenzie, <br/><br/>
The Politics of protection :  Lord Derby and protectionist party, 1841-1852 / 
Robert Stewart. 
 - London :  Cambridge University Press,  1971. 
 - vii, 240 pages ;  23 cm. 
<br/><br/> Based on the author's thesis, Oxford 
<br/><br/><label>ISBN: </label>0521081092 
<br/><br/><label>Subjects--Personal Names: </label><br/>Derby, Edward George Geoffrey Smith Stanley, 14th Earl of, 1790--1869
<br/><br/><label>Subjects--Corporate Names: </label><br/>Conservation Party (United Kingdom)--History
<br/><br/><label>Subjects--Topical Terms: </label><br/>Free trade and protection.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United Kingdom--Commercial policy.