Warrender, Howard. <br/><br/>
The political philosophy of Hobbes :  his theory of obligation / 
Howard Warrender 
 - Oxford :  Clarendon Press,  1957. 
 - ix, 346 p. ;  22 cm. 
<br/><br/>Bibliography: p. [338]-339. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Hobbes, Thomas, 1588-1679. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural obligations.<br/>Political science.
<br/><br/><label>Dewey Class. No.: </label>320.01  / WAP 1966