@misc{indiciaea38f9539cd0a,
  title = {Correspondence : Caspary (Robert) and Engelmann (George), 1857-1877 — Illustration, 1857 1 / Dec 8},
  year = {1857},
  url = {https://www.biodiversitylibrary.org/page/42758478},
  note = {Source identifier: page-42758478}
}