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.
Joseph Leidy . photo of Joseph Leidy Persifor Frazer January archive org Joseph Leidy LL The American Geologist Philadelphia us archive org id josephleidymdlldfrazrich photo taken prior to published Persifor Frazer public domain PDold Joseph Leidy
Page 2023 Free-images.com. All images are Public Domain