@misc{indiciaef09994621a3c,
  title = {Correspondence : Baird (Spencer) and Engelmann (George), 1850-1891 — Illustration, Jun 16 / 1853 4},
  year = {1853},
  url = {https://www.biodiversitylibrary.org/page/42205213},
  note = {Source identifier: page-42205213}
}