@misc{indiciae449edd9c458d,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Jun 11 / 1850 1},
  year = {1850},
  url = {https://www.biodiversitylibrary.org/page/42127738},
  note = {Source identifier: page-42127738}
}