@misc{indiciae6b40e25e2826,
  title = {Profitable poultry. : [Supplementary material in Charles Darwin's copy] / Profitable poultry — Illustration, BHL page 33902261},
  year = {1854},
  url = {https://www.biodiversitylibrary.org/page/33902261},
  note = {Source identifier: page-33902261}
}