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:
Georgius Agricola De re metallica Page BHL. Georgius Agricola De re metallica Page Text Illustration biodiversitylibrary org title Agricola Georg Hoover Herbert Hoover Lou Henry NOTINCOPYRIGHT Biodiversity Heritage Library Check categories November PDold De re metallica Images uploaded by Files from the Biodiversity