@misc{indiciaedd75e858ba4f,
  title = {Correspondence : Koernicke (Friedrich) and Engelmann (George), 1858 — Illustration, Jan 19 / 1858 [2] transcription},
  year = {1858},
  url = {https://www.biodiversitylibrary.org/page/43597630},
  note = {Source identifier: page-43597630}
}