@misc{indiciae8260fab7be5c,
  title = {über das Winden der Pflanzen. : [Supplementary material in Charles Darwin's copy] / über das Winden der Pflanzen — Illustration, Page i},
  year = {1827},
  url = {https://www.biodiversitylibrary.org/page/33907049},
  note = {Source identifier: page-33907049}
}