Twee liggende koeien voor een boom (1809) by Anthony Oberman https://www.rawpixel.com/image/13758230/twee-liggende-koeien-voor-een-boom-1809-anthony-obermanFree Image from public domain licenseBuffalo livestock cartoon mammal. https://www.rawpixel.com/image/12235401/image-white-background-cowView licenseBuffalo livestock wildlife cartoon. https://www.rawpixel.com/image/12373660/image-white-background-cowView licenseIllustration drawing style set of wildlife https://www.rawpixel.com/image/44843/free-illustration-vector-alphabets-animals-artworkView licenseIllustration drawing style set of wildlife https://www.rawpixel.com/image/44591/free-illustration-vector-animals-yak-alphabetView license