sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:British_mezzotinto_portraits_(IA_britishmezzotint03smit).pdf...
sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:British_mezzotinto_portraits_(IA_britishmezzotint03smit_0).pdf...