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:
Theodor Vernaleken Litho. Theodor Vernaleken Lithographie von Josef Kriehuber Eigenes Foto einer Originallithographie aus eigenem Besitz Foto Peter Geymayer Own photo from original lithograph own property by Peter Geymayer Original uploader was Peter Geymayer at org de Creator Joseph Kriehuber PDold Original upload log de CommonsHelper