@misc{indiciae60d88288fa6f,
  title = {Correspondence : Gerard (William) and Engelmann (George), 1880-1882 — Illustration, 1880 [2] verso / Jun 22},
  year = {1880},
  url = {https://www.biodiversitylibrary.org/page/43399652},
  note = {Source identifier: page-43399652}
}