@misc{indiciae18527eec1323,
  title = {Correspondence : Brown (Benjamin) and Engelmann (George), 1840-1852 — Illustration, Mar 11 / 1840 2},
  year = {1840},
  url = {https://www.biodiversitylibrary.org/page/42534285},
  note = {Source identifier: page-42534285}
}