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:
Darwin Earthworm title page. en Title page Charles Darwin The formation of vegetable mould through the action of worms with observations of their habits London John Murray de Titelseite von Charles Darwin The formation of vegetable mould through the action of worms with observations of their habits London John Murray fr La une