@misc{indiciae445f9e550127,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Jun 13 / 1880 1},
  year = {1880},
  url = {https://www.biodiversitylibrary.org/page/42653197},
  note = {Source identifier: page-42653197}
}