. . . . . . "SDKPiL Party" . . . "Social Democrats of the Kingdom of Poland and Lithuania" . "Social Democracy of Poland and Lithuania" . . . . "Regional Presidium of the Social Democracy of the Kingdom of Poland and Lithuania" . "The Social Democracy of the Kingdom of Poland" . . "Social Democratic Party of the Kingdom of Poland and Lithuania" . "Union of Workers" . . . "Social Democratic Party of Poland" . . . . . . . "Social Democracy of the Kingdom of Poland and Lithuania" . . . "1918" . . . . . "Polish Social Democrat" . . "Poland" . . "Regional Social Democracy of the Kingdom of Poland and Lithuania" . . . . . . "1893" . . . . . . . . . . "Social Democracy of the Kingdom of Poland" . "Main Presidium of the Social Democracy of the Kingdom of Poland and Lithuania" . "SDKPiL" . "Social Democracy of the Kingdom of Poland and Lithuania" .