Slepkov A. Class contradictions in the First State Duma. In Russian (ask us if in doubt)/Slepkov A. Klassovye protivorechiya v 1-y Gosudarstvennoy Dume. Petrograd. Communist Zinoviev University. Priboj 1923. 148 p. 5 x 23 cm,. SKUalb0fc607a97c9f8730.