@misc{indiciae4a292d0d70af,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, 1843 2 / Jun 22},
  year = {1843},
  url = {https://www.biodiversitylibrary.org/page/42009928},
  note = {Source identifier: page-42009928}
}