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Wahre und eigentliche Abbildung eines Entsetzlichen Wunderzeichens. de Einblattdrucke einer Kometenerscheinung en Leaflet of comet photolib noaa gov htm NOAA Photo Library Scan from Wilhelm Hess Himmels und Natureerscheinungen in Einblattdrucken des XV bis XVIII Call Number QB Author This image is in the public domain due to