@misc{indiciae24a07cfe444e,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Jun 21 / 1862 2},
  year = {1862},
  url = {https://www.biodiversitylibrary.org/page/42674503},
  note = {Source identifier: page-42674503}
}