Search for: [Subject and Keywords = Gumplowicz, Ludwik] OR [Subject and Keywords = Gumplowicz, Abraham] OR [Subject and Keywords = biography] OR [Subject and Keywords = Gumplowicz, Ludwik] OR [Subject and Keywords = Gumplowicz, Abraham] OR [Subject and Keywords = biografia] OR [Title = Asymilacja \"po krakowsku\"\: przypadek Ludwika Gumplowicza] OR [Creator = Kozińska\-Witt, Hanna]