@misc{indiciae21cbbf2cea9d,
  title = {Pathogenic micro-organisms, including bacteria and Protozoa; a practical manual for students, physicians and health officers — Illustration, Page 273},
  year = {1905},
  url = {https://www.biodiversitylibrary.org/page/19741331},
  note = {Source identifier: page-19741331}
}