@misc{indiciae38f06e49c154,
  title = {Correspondence : Caspary (Robert) and Engelmann (George), 1857-1877 — Illustration, Jun 6 / 1868 [2] verso},
  year = {1868},
  url = {https://www.biodiversitylibrary.org/page/42758536},
  note = {Source identifier: page-42758536}
}