@misc{indiciaef64b833940ce,
  title = {Correspondence : Eichler (August) and Engelmann (George), 1869-1882 — Illustration, 1869 2 / Jun 07},
  year = {1869},
  url = {https://www.biodiversitylibrary.org/page/43373581},
  note = {Source identifier: page-43373581}
}