Materialismus militans Voinstvui︠u︡shchiĭ materializm. Plekhanov, Georgiĭ Valentinovich, 1856-1918. Dialectical materialism. B809.8 .P52 1928 146.3 PZM Romanized. 1928. 1928. 1928 Text viii, 129 p. rus Biblioteka marksista, vyp. 11. [from old catalog]