@misc{indiciaec5b553c83a54,
  title = {Correspondence : Caspary (Robert) and Engelmann (George), 1857-1877 — Illustration, 1868 1 / Jun 6},
  year = {1868},
  url = {https://www.biodiversitylibrary.org/page/42758533},
  note = {Source identifier: page-42758533}
}