This site from the Marxists Internet Archive contains the text to a thesis prepared by Vladimir Lenin on Russia's banking policy, from 1918.

This site has the original text of a letter from Lenin to Molotov in 1922. It deals with the "Black Hundreds Anti-Clerial Campaign" -- the relationship between the government and the church at that time.

Taken directly from the writing of Marx, Engels and Lenin, this entry from the Marxists Internet Archive also includes explanation of the quotations. Very detailed, it will require some sophistication on the part of the reader. Gives an...