@misc{indiciae0e51bdfc05d3,
  title = {Objects for the microscope; a popular description of the most instructive and beautiful subjects for exhibition or examination — Illustration, BHL page 20827308},
  year = {1889},
  url = {https://www.biodiversitylibrary.org/page/20827308},
  note = {Source identifier: page-20827308}
}