![Darwin, C. R. 1876. Rejse om Jorden. Populære Skildringer. Translated by Emil Chr. Hansen and Alfred Jørgensen. Copenhagen: Salmonsen. Darwin, C. R. 1876. Rejse om Jorden. Populære Skildringer. Translated by Emil Chr. Hansen and Alfred Jørgensen. Copenhagen: Salmonsen.](http://darwin-online.org.uk/converted/scans/1876_VoyageDanish_F174(online)/1876_Voyage_F174_116.jpg)
Darwin, C. R. 1876. Rejse om Jorden. Populære Skildringer. Translated by Emil Chr. Hansen and Alfred Jørgensen. Copenhagen: Salmonsen.
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![Darwin, C. R. 1913. Om Arternes Oprindelse ved Kvalitetsvalg eller ved de heldigst stillede Formers Sejr i Kampen for Tilvaerelsen. Translated by J. P. Jacobsen. Revised by Frits Heide. Copenhagen: Gyldendal. Darwin, C. R. 1913. Om Arternes Oprindelse ved Kvalitetsvalg eller ved de heldigst stillede Formers Sejr i Kampen for Tilvaerelsen. Translated by J. P. Jacobsen. Revised by Frits Heide. Copenhagen: Gyldendal.](http://darwin-online.org.uk/converted/scans/DanishArchivSCANS/1913_OriginDanish_F645(online)/1913_OriginDanish_F645_099.jpg)