https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13970392Edit ImageSaveSaveEditCropCustom TextHuman skulls of different racial types: eleven figures also including the skull of an ape, and a graph demonstrating different angles. Engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 794 x 1200 px | 300 dpiLarge JPEG 2162 x 3267 px | 300 dpiFree DownloadHuman skulls of different racial types: eleven figures also including the skull of an ape, and a graph demonstrating different angles. Engraving.More