@misc{indiciaed5a1d1e54c2d,
  title = {Gerard Troost manuscript and related notes, papers and drawings, 1849-1904 : notes and drawings — Illustration, Seq. 90},
  year = {1849},
  url = {https://www.biodiversitylibrary.org/page/61024436},
  note = {Source identifier: page-61024436}
}