Evolution and Philosophy: Social Darwinism  
   Evolution does not have moral consequences, and does not make cosmic purpose impossible.
   http://www.talkorigins.org/faqs/evolphil/social.html

Social Darwinism  
   A critical look at the theory.
   http://www.ioa.com/~shermis/socjus/socdar.html

History Today: Social Darwinism Revisited  
   A short article by Leslie Jones, reviewing the history of eugenics with respect to social darwinism.
   http://www.findarticles.com/cf_dls/m1373/n8_v48/21031902/p1/article.jhtml

Wikipedia: Social Darwinism  
   Article from this openly-edited reference work.
   http://www.wikipedia.org/wiki/Social_Darwinism

Victorian Web: Social Darwinism  
   Basic introduction to the theory.
   http://www.victorianweb.org/philosophy/socdar.html

Social Darwinism: Reason or Rationalization  
   Student essay-writing activity considering Social Darwinism in terms of its historical context and use. Includes responses written by students.
   http://www.smplanet.com/imperialism/activity.html