Marx & Engels Internet Archive: Letters
Engels to Nikolai-on Danielson
Correspondence
This series of letters pertain to the question of development of capitalism in Russia. It has been noted that independently of Engels, Lenin came to similar conclusions in his writings against the Narodniki.
Engels to Danielson in London, April 10, 1879
Engels to Danielson in London, February 19, 1881
Engels to Danielson in London, September 22, 1892
Engels to Danielson in London, February 24, 1893
Engels to Danielson in London, October 17, 1893