Public domain photograph of artwork in the National Gallery of Art, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of horse riding, cavalry, military, free to use, no copyright restrictions image.
Public domain scan of artwork in the Rijksmuseum, Netherlands, free to use, no copyright restrictions image - Picryl description
Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description
Public domain scan of 19th-century botanical illustration, free to use, no copyright restrictions image - Picryl description