@misc{indiciae686cf7d5c9ca,
  title = {Pathogenic micro-organisms, including bacteria and Protozoa; a practical manual for students, physicians and health officers — Illustration, BHL page 19741347},
  year = {1905},
  url = {https://www.biodiversitylibrary.org/page/19741347},
  note = {Source identifier: page-19741347}
}