Public domain scan of a fish, book illustration or drawing, free to use, no copyright restrictions - Picryl description.
Public domain scan of drawing of insect, zoological illustration, free to use, no copyright restrictions image - Picryl description
Public domain photograph related to Chinese history, 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 image of early renaissance art, 15th century, free to use, no copyright restrictions image - Picryl description