Skelet van een egel (1735) by Christian Hallbaur, Christian Hallbaur, Martin Engelbrecht and Charles VI Holy Roman Emperor https://www.rawpixel.com/image/13767951/image-paper-cartoon-artFree Image from public domain licenseMof van bont versierd met brokaatband, liggend op tafel (1645 - 1647) by Wenceslaus Hollar https://www.rawpixel.com/image/13776515/image-dog-paper-borderFree Image from public domain licenseSlapende hond en kat (1652 - 1659) by Karel du Jardin and Karel du Jardin https://www.rawpixel.com/image/13777500/slapende-hond-kat-1652-1659-karel-jardin-and-karel-jardinFree Image from public domain licenseA rescue dog brings back a little boy on his back to a hospice. Line engraving. https://www.rawpixel.com/image/14008550/rescue-dog-brings-back-little-boy-his-back-hospice-line-engravingFree Image from public domain licenseLeek in Light Snow (c. 1810 - c. 1820) by Ryûryûkyo Shinsai, Kasanrô, Saisanrô and Shakuyakutei https://www.rawpixel.com/image/13745538/image-paper-cartoon-artFree Image from public domain licenseFabel van de egel en de slang (1608) by Aegidius Sadeler II, Marcus Gheeraerts I, Marcus Gheeraerts I and Aegidius Sadeler II https://www.rawpixel.com/image/13782182/image-paper-cartoon-artFree Image from public domain licenseLiggende hond met vlekken (1617 - 1681) by Cornelis Saftleven https://www.rawpixel.com/image/13778668/liggende-hond-met-vlekken-1617-1681-cornelis-saftlevenFree Image from public domain license