7200804 Yakov Sverdlov, Russian Bolshevik revolutionary and politician (b/w photo) by Russian Photographer, (20th century); Private Collection; (add.info.: Yakov Sverdlov (1885??919), Russian Bolshevik revolutionary, politician and member of the Central Committee of the Communist Party during the Russian Civil War. Illustration from Calendar - Thirty Years of the Soviet State 1917-1947 (State Publishing House, Moscow, 1947).); 穢 Look and Learn.