Hazlitt, William,  1778-1830 <br/><br/>
Essays on the principles of human action :  on the systems of hartley and helvetius and on abstract edeas / 
edited by William Hazlitt 
 - London :  John Miller,  1840 
 - 176 p. ;  19 cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Hartley, David, 1705-1757 <br/>Helvetius, Claude Adrien, 1715-1771 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy