@misc{indiciaeca08a677adf8,
  title = {Correspondence : Weber (Frédéric Albert) and Engelmann (George), 1865-1883 — Illustration, 1883 2 / Dec 24},
  year = {1883},
  url = {https://www.biodiversitylibrary.org/page/44560916},
  note = {Source identifier: page-44560916}
}