@misc{indiciae6398ce484864,
  title = {Correspondence : Gilbert (Benjamin) and Engelmann (George), 1867-1870 — Illustration, Jan 18 / 1868 [1] verso},
  year = {1868},
  url = {https://www.biodiversitylibrary.org/page/43398500},
  note = {Source identifier: page-43398500}
}