0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Diagram of the Overton Window Esperanto Diagramo de la Overton-a fenestro...
org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Diagram of the Overton Window Dutch Diagram van het Overton-venster...
