@misc{indiciaed68c54a98e5c,
  title = {Correspondence : Gray (Asa) and Engelmann (George), 1841-1883 — Illustration, Oct / 1877 1},
  year = {1877},
  url = {https://www.biodiversitylibrary.org/page/42780136},
  note = {Source identifier: page-42780136}
}