Essays in socialism and war.Essays in socialism and war.Karl Marx: His life and teaching.Towards Soviets. These and a letter on Tactics.Trade unionism at the cross roads.Lessons of the Russian revolution.Capitalist Europe and socialist Russia.Capitalist Europe and socialist Russia.Capitalist Europe and socialist Russia.The menace of American capitalism or the power behind President Wilson.Wage-labour and capital. With introd. by F. Engels. (Transl. by F. Baldwin).Marx and modern capitalism.The German spartacists. Their aims and objects. Official declaration of the Spartacus Union.