@misc{indiciae0e0446451779,
  title = {Profitable culling and selective flock breeding; complete details regarding the latest approved methods for culling, or the selection of layers, simple and practical instructions for securing permanent improvement in egg production in any flock — Illustration, Page 107},
  year = {1920},
  url = {https://www.biodiversitylibrary.org/page/25111522},
  note = {Source identifier: page-25111522}
}