Tombstone from Parochial and Family History of the Parish of Blisland (1868) published by Sir John Maclean. Original from… https://www.rawpixel.com/image/572380/old-tombstone-drawingFree Image from public domain license
Sheep skull from The History and Antiquities of the Deanery of Craven in the County of York (1805) published by Thomas… https://www.rawpixel.com/image/571384/skull-with-antlersFree Image from public domain license
Flying bat from Woodland Romances; Or, Fables And Fancies by Clara L. Mateaux (1877). Original from the British Library.… https://www.rawpixel.com/image/572748/flying-bat-vintage-drawingFree Image from public domain license
Gorilla, female facial angle 51 from Adventures in the Great Forest of Equatorial Africa and the Country of the Dwarfs.. An… https://www.rawpixel.com/image/573328/gorilla-skull-vintage-drawingFree Image from public domain license