@misc{indiciaec5a329028b34,
  title = {Correspondence : Griffith (John) and Engelmann (George), 1879-1880 — Illustration, 1880 2 / Jun 02},
  year = {1880},
  url = {https://www.biodiversitylibrary.org/page/43434101},
  note = {Source identifier: page-43434101}
}