@misc{indiciae8614e7a0cf6d,
  title = {George Engelmann : botanical notebook 7 : Echinocactus, Echinopsis, and Cereus — Illustration, [No.] 1596},
  url = {https://www.biodiversitylibrary.org/page/54369647},
  note = {Source identifier: page-54369647}
}