Search for: [Subject and Keywords = socialism \(19 c.\)] OR [Subject and Keywords = Socjalizm\-\- 19 w. \-\- \[JHPBN\]] OR [Title = Socyalizm spółczesny] OR [Title = Socyalizm spółczesny] OR [Creator = Laveleye, Emile de \(1822–1892\)] OR [Creator = Laveleye, Emile de \(1822–1892\)]