Mill, John Stuart 1806-1873.
Collected works of John Stuart Mill /

. - Toronto : Buffalo : University of Toronto Press,  Routledge & Kegan Paul,  1968- 
. - v.  25 cm. 
<br/> V. 3. Principles of political economy  <br/>  V. 10. Essays on ethics, religion and society  <br/>   <br/>