我想写有关《艰难时世》的论文，请问在哪找得到相关资料哦，最好是英文的。

Charles Dickens’ Hard Times: Romantic Tragedy or Proletariat Propaganda?
http://www.pillowrock.com/ronnie/hardtimes.htm

Appreciations and Criticisms of the Works of Charles Dickens: Hard Times, Recent Forum Posts on Hard Times
http://www.online-literature.com/dickens/hardtimes/

David Perdue's Charles Dickens Page - Dedicated to bringing the genius of Dickens to a new generation readers: Hard Times
http://charlesdickenspage.com/hardtimes.html