Russia and the Council Union
Works by leaders of the Russian and Soviet Communist movement, such as J.M. Sverdlov (3rd of June, 1885 — 16th of March, 1919), S.M. Kirov (27th of March, 1886 — 1st of December, 1934), and V.M. Molotov (9th of March, 1890 — 8th of November, 1986). Works by Lenin and Stalin can be found here and here.