Lenin: What the Liberals Expect of the Duma https://www.marxists.org/archive/lenin/works/1905/oct/31j.htm
Schelling On Hegel by Frederick Engels https://marxistleninists.org/M&E/1841/anti-schelling/ch01.htm
The Campaign for the German Imperial Constitution http://hiaw.org/defcon6/works/1850/german-imperial/intro.html