@misc{indiciae4e61c12db2e1,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Dec 27 / 1858 2},
  year = {1858},
  url = {https://www.biodiversitylibrary.org/page/42635802},
  note = {Source identifier: page-42635802}
}