@misc{indiciae29df5eebce58,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Dec 25 / 1852 3},
  year = {1852},
  url = {https://www.biodiversitylibrary.org/page/42377367},
  note = {Source identifier: page-42377367}
}