@misc{indiciae4220368bbe3d,
  title = {Correspondence : Eichler (August) and Engelmann (George), 1869-1882 — Illustration, 1876 2 / Jul 25},
  year = {1876},
  url = {https://www.biodiversitylibrary.org/page/43373607},
  note = {Source identifier: page-43373607}
}