Search for: [Subject and Keywords = world outlook] OR [Subject and Keywords = Światopogląd \[JHPBN\]] OR [Title = Die Hauptprobleme der Weltanschauung] OR [Title = Die Hauptprobleme der Weltanschauung] OR [Creator = Klimke, Friedrich August \(1878–1924\)] OR [Creator = Klimke, Friedrich August \(1878–1924\)]