@misc{indiciae0f90cbb9bca9,
  title = {Correspondence : Drude (Oscar) and Engelmann (George), 1875 — Illustration, 1875 2 / Oct 18},
  year = {1875},
  url = {https://www.biodiversitylibrary.org/page/42999747},
  note = {Source identifier: page-42999747}
}