Warrender, Howard <br/><br/>
The political philosophy of Hobbes  his theory of obligation 

 - Oxford  Clarendon Press  1970 
 - ix, 346 p. 
<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.