Verkehrs-karte von Europa : übersichts grösserer eisenbahnverbindungen, telegraphen und überseeischer… https://www.rawpixel.com/image/8908305/image-steam-gradient-vintageFree Image from public domain licenseKaart van Zuid-Afrika met de voormalige Kaapkolonie (1862) by anonymous, Hermann Berghaus, Justus Perthes uitgeverij and… https://www.rawpixel.com/image/13780470/image-paper-face-world-mapFree Image from public domain licenseKaart van Zuid-Afrika met de voormalige Kaapkolonie (1856) by anonymous, Heinrich Berghaus, Hermann Berghaus, Justus Perthes… https://www.rawpixel.com/image/13780476/image-paper-face-world-mapFree Image from public domain license