This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Gersdorff Feldbuch s. Hans von Gersdorff ca Feldtbch der Wundartzney Strassburg Aderlasspunkte Field book of surgery Strassbourg Points for bloodletting Uploader Kuebi April UTC nlm nih gov html image without modifications de Hans von Gersdorff Arzt or en Hans von Gersdorff surgeon Image Bloodletting px lower resolution