References
- Kluchevsky , V. O. History of Russia (Eng. trans.) vol. I , 2
- Russia and its Crisis, vol. ii , 231
- Pares . Russia and Reform, 156
- Graham , Stephen . Undiscovered Russia, 279
- Cambridge Modern History, vol. xii , 379
- Cambridge Modern History, vol. x , 3
- Phillips’ , Alison . Modern Europe, 527