What are the German initials of the party that included Käthe Leichter in its rolls?
Social Democratic Party of Austria The Social Democratic Party of Austria (German: "Sozialdemokratische Partei Österreichs" , SPÖ) is a social-democratic political party in Austria.
Socialist Left (Germany) The Socialist Left (German: "Sozialistische Linke" , SL) is a political caucus in the Left Party of Germany. It includes political viewpoints ranging from left Keynesianism and left social democracy to reform communism and Marxism. SL members share a common goal of orienting the Left Party firmly toward the labor movement.