@misc{indiciae18e10e1350fc,
  title = {Correspondence : Gerlich (Hermann) and Engelmann (George), 1879-1880 — Illustration, 1880 1 / Mar 15},
  year = {1880},
  url = {https://www.biodiversitylibrary.org/page/43398537},
  note = {Source identifier: page-43398537}
}