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:
Friedrich Heinrich Jacobi . de Friedrich Heinrich Jacobi Hemsterhuis amicus ad vivum delineavit Dsseldorf den Mrz Radierung von Karl Ernst Christoph He Selbstgefertigter Scan einer eigenen Radierung Frans Hemsterhuis Zeichner Karl Ernst Christoph He Stecher PDold Uploaded with Friedrich Heinrich Jacobi