@misc{indiciaef96c3f6a706a,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Oct 7 / 1845 2},
  year = {1845},
  url = {https://www.biodiversitylibrary.org/page/42009992},
  note = {Source identifier: page-42009992}
}