@misc{indiciaedb36be13471b,
  title = {Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology) — Illustration, BHL page 37420618},
  year = {1920},
  url = {https://www.biodiversitylibrary.org/page/37420618},
  note = {Source identifier: page-37420618}
}