@misc{indiciae69db795451df,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Dec 04 / 1848 2},
  year = {1848},
  url = {https://www.biodiversitylibrary.org/page/42127904},
  note = {Source identifier: page-42127904}
}