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:
E. Kraepelin flipped. en Emil Kraeelin Kraepelin UTC Kraepelin Schulz Carl derivative work Mercurial talk PDold original upload log This image is derivative work of the following images File Kraepelin with PDold Filip em Bytes no en Emil Kraeelin ester ee bS est ESTER Tartu Schulz Carl circa PD due to its age Emil Uploaded