@misc{indiciae2601a0407047,
  title = {Correspondence : Eichler (August) and Engelmann (George), 1869-1882 — Illustration, Jul 20 / 1882 2},
  year = {1882},
  url = {https://www.biodiversitylibrary.org/page/43373631},
  note = {Source identifier: page-43373631}
}