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:
Pierre Joseph Proudhon. oil canvas cm Muse du Petit Palais Paris aidart fr html PierreJoseph Proudhon et ses enfants en un portrait posthume aidart fr object history credit line accession number blackened net html Proudhonchildren PDold PierreJoseph Proudhon Portraits by Gustave Courbet Black and white reproductions of portrait